Demonstrates the thermal decomposition of mercury oxide
5 Point

Chemistry

Demonstrates the thermal decomposition of mercury oxide

Unit one: chemical reactions. Lesson one: chemical reactions.

0.25
The concept of a chemical reaction
5 Point

Science

The concept of a chemical reaction

Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experi......

0
Combination of ammonia gas (compound) with hydrogen chloride gas (compound)
5 Point

Sciences

Combination of ammonia gas (compound) with hydrogen chloride gas (compound)

Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experi......

0.25
Thermal decomposition of copper hydroxide
5 Point

Chemistry

Thermal decomposition of copper hydroxide

Unit one: chemical reactions. Lesson one: chemical reactions.

0.25
The Thermal Decomposition of Copper Sulphates
5 Point

Sciences

The Thermal Decomposition of Copper Sulphates

Unit one: chemical reactions.  Lesson one: chemical reactions.

0.25
The Thermal Decomposition of White Sodium Nitrate
5 Point

Science

The Thermal Decomposition of White Sodium Nitrate

Unit one: chemical reactions.  Lesson one: chemical reactions.

0.25
The Reaction of Hydrochloric Acid with Sodium Carbonate
5 Point

Chemistry

The Reaction of Hydrochloric Acid with Sodium Carbonate

Unit one: chemical reactions. Lesson one: chemical reactions.

0.25
The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution
5 Point

Chemistry

The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution

Unit one: chemical reactions. Lesson one: chemical reactions.

0.25
The process of oxidation and reduction according to the traditional concept
5 Point

Chemistry

The process of oxidation and reduction according to the traditional concept

The process of oxidation and reduction according to the traditional concept

0.25
The concept of measuring the speed of a chemical reaction
5 Point

Chemistry

The concept of measuring the speed of a chemical reaction

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

0.25
The Effect of The Concentration of The Reactants on the Speed of The Chemical Reaction
5 Point

Chemistry

The Effect of The Concentration of The Reactants on the Speed of The Chemical Reaction

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

0
The Effect of Surface Area on The Speed of The Chemical Reaction
5 Point

Chemistry

The Effect of Surface Area on The Speed of The Chemical Reaction

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

0.25
The Effect of Temperature on The Speed of The Chemical Reaction
5 Point

Chemistry

The Effect of Temperature on The Speed of The Chemical Reaction

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

0
The Effect of Enzymes on The Speed of Chemical Reaction
5 Point

Chemistry

The Effect of Enzymes on The Speed of Chemical Reaction

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

0.25
The difference in the intensity of the reaction
5 Point

Science

The difference in the intensity of the reaction

The difference in the intensity of the reaction

0.25
Experience the interaction of nonmetals with oxygen
5 Point

Chemistry

Experience the interaction of nonmetals with oxygen

The goal of the experiment: This experiment aims to discover the interaction of nonmetals with oxyge......

0.05
The interaction of metals with oxygen
10 Point

Science

The interaction of metals with oxygen

The goal of the experiment This experiment aims to understand the properties of the interaction of m......

0
Determination of specific heat
5 Point

Chemistry

Determination of specific heat

Determination of specific heat

0
Electrolyte Solutions
10 Point

Chemistry

Electrolyte Solutions

Purpose of experimentto learn about electrolyte solutionsToolsSodium chloride salt - dilute ace......

0
Preparation of oxygen gas in the laboratory
8 Point

Chemistry

Preparation of oxygen gas in the laboratory

Purpose of experiment Preparation of oxygen gas in the laboratory Toolsglass beaker - two-......

0.18333333333333
How can the reaction rate be increased?
5 Point

Chemistry

How can the reaction rate be increased?

How can the reaction rate be increased?

0
Thomson Atom Model
10 Point

Chemistry

Thomson Atom Model

Experiment purposeThomson's atom modelToolsDischarge tube - connecting wires - high voltage source -......

0.2
What substances can pass through a semipermeable membrane?
5 Point

biology

What substances can pass through a semipermeable membrane?

What substances can pass through a semipermeable membrane?

0
Compare the strengths of acids
Free

Chemistry

Compare the strengths of acids

Compare the strengths of acids

0
Measurement of calories
5 Point

Chemistry

Measurement of calories

Measurement of calories

0
What is equilibrium equality?
5 Point

Chemistry

What is equilibrium equality?

What is equilibrium equality?

0
Comparison between the constants of solubility products.
5 Point

Chemistry

Comparison between the constants of solubility products.

Comparison between the constants of solubility products.

0
Nonelectrolytes Solutions
10 Point

Chemistry

Nonelectrolytes Solutions

purpose of experiment to learn about non-electrolyte solutionstools2 glass beaker  - distilled......

0
Titration
5 Point

Chemistry

Titration

purpose of experimentAcid & base TitrationToolsHolder - Burette - Graduated cylinder (25 ml) - H......

0.25
Preparation of carbon dioxide gas in the laboratory
10 Point

Sciences

Preparation of carbon dioxide gas in the laboratory

Purpose of experimentPreparation of carbon dioxide gas in the laboratorytoolsgraduated flask - glass......

0.25
Chemical Indicators
10 Point

Chemistry

Chemical Indicators

purpose of experiment illustrate chemical indicators tools Hydrochloric acid – sodium hydroxide – o......

0.25
Calculate the percentage of oxygen in the air
5 Point

Chemistry

Calculate the percentage of oxygen in the air

Objective of the experiment:Calculate the volume percentage of oxygen in the airExperiment tools:Gla......

0
Detection of The Chloride Anion
10 Point

Chemistry

Detection of The Chloride Anion

Detection of the chloride anionThis video shows how to do the experimenthttps://youtu.be/_2a2CeQxanw

0
Periodic Table
5 Point

Chemistry

Periodic Table

Periodic Table

0.195
Replacing the hydrogen in the water with a metal
5 Point

Chemistry

Replacing the hydrogen in the water with a metal

Unit one: chemical reactions.  Lesson one: chemical reactions.Please watch the video of the ex......

0.25
Methods for measuring pH
5 Point

Science

Methods for measuring pH

Methods for measuring pHPlease watch the video of the experiment by clicking here before starting it......

0
Rutherford experiment
5 Point

Sciences

Rutherford experiment

Rutherford experiment

0
Detection of iron  111 cation
5 Point

Chemistry

Detection of iron 111 cation

Detection of iron 111 cationThis video shows how to do the experimenthttps://youtu.be/8lV8Y7aNVmA

0
Detection of monosaccharides and disaccharides
5 Point

Biology

Detection of monosaccharides and disaccharides

Detection of monosaccharides and disaccharidesPlease watch the video of the experiment by clicking h......

0
Detection of sulphide anion
5 Point

Chemistry

Detection of sulphide anion

Detection of sulphide anion

0
Detection of thiosulfate Anion
5 Point

Chemistry

Detection of thiosulfate Anion

Detection of thiosulfate Anion

0
Discovering the chemical properties of metals (reaction of metals with oxygen)
5 Point

Science

Discovering the chemical properties of metals (reaction of metals with oxygen)

Discovering the chemical properties of metals (reaction of metals with oxygen)objectiveUnderstanding......

0.225
The color of gold changes according to the size of the gold nanoparticles
5 Point

Chemistry

The color of gold changes according to the size of the gold nanoparticles

The color of gold changes according to the size of the gold nanoparticles:Tools Samples of nano......

0
Atom Structure
5 Point

Sciences

Atom Structure

Atom Structure

0.21666666666667
Detection of bicarbonate anion
5 Point

Chemistry

Detection of bicarbonate anion

Please watch the video of the experiment by clicking here before starting it

0
Detection of the nitrate anion
5 Point

Chemistry

Detection of the nitrate anion

Detection of the nitrate anion

0
Detection of an iron(II) cation
5 Point

Chemistry

Detection of an iron(II) cation

Detection of an iron(II) cation

0
Detection of aluminum cation
5 Point

Chemistry

Detection of aluminum cation

Detection of aluminum cation

0
Detection of sulfite anion
5 Point

Chemistry

Detection of sulfite anion

Please watch the video of the experiment by clicking here before starting it

0
Detection of the phosphate anion
5 Point

Chemistry

Detection of the phosphate anion

Detection of the phosphate anion

0
Endothermic reactions
5 Point

Chemistry

Endothermic reactions

Endothermic reactions

0
Estimating the molar volume of a substance
5 Point

Chemistry

Estimating the molar volume of a substance

Estimating the molar volume of a substance

0
Introductory experiments (How to observe chemical change?)
5 Point

Chemistry

Introductory experiments (How to observe chemical change?)

the goal:Explanation of how we can infer a chemical change has occurred.Materials and tools:Ammonia......

0
Wax combustion heat
5 Point

Chemistry

Wax combustion heat

the goal:Measuring the change in temperature of a mass of water during a combustion reaction.Materia......

0
Ester preparation
5 Point

Chemistry

Ester preparation

the goal:Learning how to prepare ester.Materials and tools: Electric heater - Glass cup - Test......

0
Determine the molar ratio
5 Point

Chemistry

Determine the molar ratio

Determine the molar ratio

0
Compare melting points
5 Point

Chemistry

Compare melting points

Compare melting points

0
Determine what compounds
5 Point

Chemistry

Determine what compounds

Determine what compounds

0
Detection of some elements using flame
5 Point

Chemistry

Detection of some elements using flame

Detection of some elements using flame

0.2
Writing and weighing chemical equations
5 Point

Science

Writing and weighing chemical equations

Writing and weighing chemical equations

0.25
Linear spectrum of hydrogen atom
5 Point

Chemistry

Linear spectrum of hydrogen atom

the goal:The hydrogen atom discrete spectroscopyMaterials and tools:Hydrogen gas electrical discharg......

0
Detection of nitrite anion
5 Point

Chemistry

Detection of nitrite anion

Detection of nitrite anionPlease watch the video of the experiment by clicking here before starting......

0
Detection of the iodide anion
5 Point

Chemistry

Detection of the iodide anion

Please watch the video of the experiment here before starting it

0
Types of radiation
5 Point

Chemistry

Types of radiation

Types of radiation

0
Measuring galvanic cell voltage
5 Point

Chemistry

Measuring galvanic cell voltage

Measuring galvanic cell voltage

0
Note on the Law of Conservation of Mass
10 Point

Sciences

Note on the Law of Conservation of Mass

the goal:Draw a conclusion about the Law of Conservation of Mass.Materials and tools:Wire crucible -......

0
The difference of materials from each other in electrical conductivity
Free

Science

The difference of materials from each other in electrical conductivity

The goal of the experiment: Explain the difference of materials from each other in the ability of el......

4.3916666666667
Distinguish between acid and alkali solutions
5 Point

Chemistry

Distinguish between acid and alkali solutions

Unit One: Chemical Reactions.Lesson Two: chemical compounds.This experiment aims to learn how to dis......

0.15
The Hofmann's voltameter
Free

chemistry

The Hofmann's voltameter

The goal of the experiment: Explain the idea of work the Hofmann's voltameter Experiments Tools: &nb......

25.125
Fat Detection
5 Point

Chemistry

Fat Detection

Objective of the experiment:fat detectionExperiment tools:Vegetable oil - Skimmed milk - Whole milk......

0
Effective use of a Bunsen burner
5 Point

Chemistry

Effective use of a Bunsen burner

Effective use of a Bunsen burner

0
Classification of water hardness
5 Point

Chemistry

Classification of water hardness

the goal:To explain how to make soap at home.Materials and tools:Water sample 1 - Water sample 2 - D......

0
Wood density
5 Point

Chemistry

Wood density

Wood density

0
Chewing gum analysis
5 Point

Chemistry

Chewing gum analysis

Chewing gum analysis

0
Formation of Salt
5 Point

Chemistry

Formation of Salt

Formation of Salt

0
Substances differ from each other in terms of melting point
5 Point

Science

Substances differ from each other in terms of melting point

Substances differ from each other in terms of melting point

0
Determine the formula of aqueous salts
5 Point

Chemistry

Determine the formula of aqueous salts

Determine the formula of aqueous salts

0.05
Detection of monosaccharides and disaccharides
5 Point

Science

Detection of monosaccharides and disaccharides

Detection of monosaccharides and disaccharides

0
How do different liquids affect the speed of a ball moving in it (introductory experiment)
5 Point

Chemistry

How do different liquids affect the speed of a ball moving in it (introductory experiment)

the goal:Investigating flow velocity in different fluids.Materials and tools:Small balls - set of di......

0
Boyle's Law
5 Point

Chemistry

Boyle's Law

Boyle's Law

0
Torricelli experiment
5 Point

Chemistry

Torricelli experiment

the goal:Determine the value of atmospheric pressure using a mercury barometer.Materials and tools:t......

0
Manometer device
5 Point

Physics

Manometer device

Manometer device

0.25
Get to know a dilapidated (old) truck
5 Point

Chemistry

Get to know a dilapidated (old) truck

Get to know a dilapidated (old) truck

0
How to Make a Lemon Battery?
5 Point

Chemistry

How to Make a Lemon Battery?

How to Make a Lemon Battery?

0
What happens when iron reacts with copper sulphate (introductory experiment)
5 Point

Chemistry

What happens when iron reacts with copper sulphate (introductory experiment)

What happens when iron reacts with copper sulphate (introductory experiment)

0
Investigation of factors affecting solubility
5 Point

Chemistry

Investigation of factors affecting solubility

Investigation of factors affecting solubility

0
How does it work as a cold pack?
Free

Chemistry

How does it work as a cold pack?

How does it work as a cold pack?

0
Shift in equilibrium position
5 Point

Chemistry

Shift in equilibrium position

Shift in equilibrium position

0
Comparing evaporation rates
5 Point

Chemistry

Comparing evaporation rates

Comparing evaporation rates

0
Dye separation
5 Point

Chemistry

Dye separation

Dye separation

0
Properties of alcohols
Free

Chemistry

Properties of alcohols

Properties of alcohols

0
Back to the curriculum

Demonstrates the thermal decomposition of mercury oxide

Grade elev.... inFirst seme... | Chemistry

0.25 (5)

Unit one: chemical reactions. Lesson one: chemical reactions.

The concept of a chemical reaction

Seventh Gr.... inFirst Term | Science

0 (0)

Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experiment aims to understand the chemical reaction process by igniting a strip of magnesium in the air, as this experiment represents the reactants, the reaction condition and the reaction product.

Combination of ammonia gas (compound) with hydrogen chloride gas (compound)

Third grad.... inFirst seme... | Sciences

0.25 (1)

Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experiment aims to understand the interactions of the compounds with other compounds

Thermal decomposition of copper hydroxide

Grade elev.... inFirst seme... | Chemistry

0.25 (2)

Unit one: chemical reactions. Lesson one: chemical reactions.

The Thermal Decomposition of Copper Sulphates

Sixth Grad.... inFirst Term | Sciences

0.25 (1)

Unit one: chemical reactions.  Lesson one: chemical reactions.

The Thermal Decomposition of White Sodium Nitrate

From grade.... inFirst & se... | Science

0.25 (1)

Unit one: chemical reactions.  Lesson one: chemical reactions.

The Reaction of Hydrochloric Acid with Sodium Carbonate

First grad.... inSecond ter... | Chemistry

0.25 (1)

Unit one: chemical reactions. Lesson one: chemical reactions.

The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution

First grad.... inSecond ter... | Chemistry

0.25 (1)

Unit one: chemical reactions. Lesson one: chemical reactions.

The process of oxidation and reduction according to the traditional concept

Grade elev.... inFirst seme... | Chemistry

0.25 (1)

The process of oxidation and reduction according to the traditional concept

The concept of measuring the speed of a chemical reaction

Grade twel.... inFirst seme... | Chemistry

0.25 (2)

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

The Effect of The Concentration of The Reactants on the Speed of The Chemical Reaction

Third grad.... inFirst Term | Chemistry

0 (0)

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

The Effect of Surface Area on The Speed of The Chemical Reaction

Grade twel.... inFirst seme... | Chemistry

0.25 (1)

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

The Effect of Temperature on The Speed of The Chemical Reaction

Third grad.... inSecond ter... | Chemistry

0 (0)

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

The Effect of Enzymes on The Speed of Chemical Reaction

Grade twel.... inFirst seme... | Chemistry

0.25 (2)

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

The difference in the intensity of the reaction

First Grad.... inSecond Ter... | Science

0.25 (1)

The difference in the intensity of the reaction

Experience the interaction of nonmetals with oxygen

Grade ten inFirst seme... | Chemistry

0.05 (1)

The goal of the experiment: This experiment aims to discover the interaction of nonmetals with oxygen in the air through combustion processes in the air experiment Tools: A piece of charcoal - a combustion spoon - an empty tester - a glass of water - sunflower dye Steps of the experiment: Heat the c......

The interaction of metals with oxygen

Second gra.... inFirst Term | Science

0 (0)

The goal of the experiment This experiment aims to understand the properties of the interaction of metals with oxygen Tools Magnesium Tape - Tester filled with Oxygen - Water - Litmus Tincture Steps Heat the magnesium strip until it glows, then place it in the tester filled with oxygen Add an amoun......

Determination of specific heat

Second gra.... inSecond ter... | Chemistry

0 (0)

Determination of specific heat

Electrolyte Solutions

Second gra.... inSecond ter... | Chemistry

0 (0)

Purpose of experimentto learn about electrolyte solutionsToolsSodium chloride salt - dilute acetic acid - 2 beakers - distilled water - battery - electric lamp - 3 wires - glass legstepsPut 20 ml of distilled water into the first glass beaker, then add an appropriate amount of sodium chloride s......

Preparation of oxygen gas in the laboratory

Grade twel.... inFirst seme... | Chemistry

0.18333333333333 (6)

Purpose of experiment Preparation of oxygen gas in the laboratory Toolsglass beaker - two-hole cork stopper - glass spout funnel - glass delivery tube - basin - water - graduated flask - hydrogen peroxide solution (oxygen water) - manganese dioxide.StepsBring the glass basin and install th......

How can the reaction rate be increased?

Second gra.... inSecond ter... | Chemistry

0 (0)

How can the reaction rate be increased?

Thomson Atom Model

First grad.... inSecond ter... | Chemistry

0.2 (2)

Experiment purposeThomson's atom modelToolsDischarge tube - connecting wires - high voltage source - magnetSteps Turn on the electricity by pressing the button and then note the raysBring a magnet close to the discharge tube and note the effectConclusion ·      We......

What substances can pass through a semipermeable membrane?

Third grad.... inSecond ter... | biology

0 (0)

What substances can pass through a semipermeable membrane?

Compare the strengths of acids

Third grad.... inSecond ter... | Chemistry

0 (0)

Compare the strengths of acids

Measurement of calories

Second gra.... inSecond ter... | Chemistry

0 (0)

Measurement of calories

What is equilibrium equality?

Second gra.... inSecond ter... | Chemistry

0 (0)

What is equilibrium equality?

Comparison between the constants of solubility products.

Second gra.... inSecond ter... | Chemistry

0 (0)

Comparison between the constants of solubility products.

Nonelectrolytes Solutions

Second gra.... inSecond ter... | Chemistry

0 (0)

purpose of experiment to learn about non-electrolyte solutionstools2 glass beaker  - distilled water - sugar - ethyl alcohol - battery - electric lamp - 3 connecting wires - glass rod steps Put 20 ml of distilled water into the first glass beaker, then add an appropriate amount of sugar a......

Titration

First grad.... inSecond ter... | Chemistry

0.25 (2)

purpose of experimentAcid & base TitrationToolsHolder - Burette - Graduated cylinder (25 ml) - Hydrochloric acid - Sodium hydroxide - Glass funnel - Methyl orange.steps Fix the burette on the holder, then place the glass funnel over the burette.  Fill the burette with hydrochloric......

Preparation of carbon dioxide gas in the laboratory

Grade seve.... inFirst seme... | Sciences

0.25 (1)

Purpose of experimentPreparation of carbon dioxide gas in the laboratorytoolsgraduated flask - glass beaker - cork stopper with two holes - glass funnelU-shaped glass tube - dilute hydrochloric acid - calcium carbonatesteps Place the candle in the middle of the lab bench.Light the candle by usi......

Chemical Indicators

First grad.... inSecond ter... | Chemistry

0.25 (1)

purpose of experiment illustrate chemical indicators tools Hydrochloric acid – sodium hydroxide – orange methyl indicator – litmus indicator – bromothymol blue indicator – 12 conical flask – distilled water-Phenolphthalein indicator StepsPut 10 ml of the solution in front of you into each conical......

Calculate the percentage of oxygen in the air

Second gra.... inSecond ter... | Chemistry

0 (0)

Objective of the experiment:Calculate the volume percentage of oxygen in the airExperiment tools:Glass basin - Graduated cylinder - Candle - Beaker with colored water - Lighter Experiment steps: - Place the candle inside the glass basin .- Pour the colored water into the glass basin .- Light the can......

Detection of The Chloride Anion

First grad.... inSecond ter... | Chemistry

0 (0)

Detection of the chloride anionThis video shows how to do the experimenthttps://youtu.be/_2a2CeQxanw

Periodic Table

First grad.... inSecond Ter... | Chemistry

0.195 (10)

Periodic Table

Replacing the hydrogen in the water with a metal

Second gra.... inSecond ter... | Chemistry

0.25 (5)

Unit one: chemical reactions.  Lesson one: chemical reactions.Please watch the video of the experiment by clicking here before starting it

Methods for measuring pH

First Grad.... inSecond Ter... | Science

0 (0)

Methods for measuring pHPlease watch the video of the experiment by clicking here before starting it

Rutherford experiment

Third grad.... inFirst seme... | Sciences

0 (0)

Rutherford experiment

Detection of iron 111 cation

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of iron 111 cationThis video shows how to do the experimenthttps://youtu.be/8lV8Y7aNVmA

Detection of monosaccharides and disaccharides

First grad.... inFirst Term | Biology

0 (0)

Detection of monosaccharides and disaccharidesPlease watch the video of the experiment by clicking here before starting it

Detection of sulphide anion

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of sulphide anion

Detection of thiosulfate Anion

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of thiosulfate Anion

Discovering the chemical properties of metals (reaction of metals with oxygen)

Second gra.... inFirst Term | Science

0.225 (2)

Discovering the chemical properties of metals (reaction of metals with oxygen)objectiveUnderstanding the interaction of metals with oxygenToolsA strip of magnesium - Tester filled with oxygen- litmus- A glass of water- holderstepsApply the tester filled with oxygen in the middle of the deskHeat the......

The color of gold changes according to the size of the gold nanoparticles

First grad.... inFirst Term | Chemistry

0 (0)

The color of gold changes according to the size of the gold nanoparticles:Tools Samples of nanoparticles of gold (visible sample)A sample of gold minutes is small, its minutes are measured in macrosteps Bring the gold sample measured by the macro and display the flashlight on it and note what h......

Atom Structure

Third grad.... inFirst seme... | Sciences

0.21666666666667 (3)

Atom Structure

Detection of bicarbonate anion

Third grad.... inFirst Term | Chemistry

0 (0)

Please watch the video of the experiment by clicking here before starting it

Detection of the nitrate anion

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of the nitrate anion

Detection of an iron(II) cation

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of an iron(II) cation

Detection of aluminum cation

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of aluminum cation

Detection of sulfite anion

Third grad.... inFirst Term | Chemistry

0 (0)

Please watch the video of the experiment by clicking here before starting it

Detection of the phosphate anion

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of the phosphate anion

Endothermic reactions

First grad.... inSecond Ter... | Chemistry

0 (0)

Endothermic reactions

Estimating the molar volume of a substance

Third grad.... inThird Seme... | Chemistry

0 (0)

Estimating the molar volume of a substance

Introductory experiments (How to observe chemical change?)

First grad.... inThird Seme... | Chemistry

0 (0)

the goal:Explanation of how we can infer a chemical change has occurred.Materials and tools:Ammonia solution - Distilled water - Glass beaker - Universal indicator - Effervescent tablets.Steps:1- Put a quantity of distilled water in the glass.2- Add drops of ammonia solution into the water in the gl......

Wax combustion heat

Third grad.... inThird Seme... | Chemistry

0 (0)

the goal:Measuring the change in temperature of a mass of water during a combustion reaction.Materials and tools:Candle - Small metal box - Large open-ended metal box - Steel wool - Balance - Pen - Stirring rod - ThermometerSteps:1. Light the candle and weigh the large container.2. Fill the containe......

Ester preparation

Third grad.... inThird Seme... | Chemistry

0 (0)

the goal:Learning how to prepare ester.Materials and tools: Electric heater - Glass cup - Test tube - Salicylic acid - Methanol - Sulfuric acid - Cotton - SpoonSteps:1. Fill the glass with water and heat it on the electric heater to the mid-level temperature.2. Weigh 1.5 grams of salicylic acid......

Determine the molar ratio

Second gra.... inFirst seme... | Chemistry

0 (0)

Determine the molar ratio

Compare melting points

Second gra.... inFirst seme... | Chemistry

0 (0)

Compare melting points

Determine what compounds

Second gra.... inFirst seme... | Chemistry

0 (0)

Determine what compounds

Detection of some elements using flame

Second gra.... inSecond Ter... | Chemistry

0.2 (4)

Detection of some elements using flame

Writing and weighing chemical equations

First Grad.... inSecond Ter... | Science

0.25 (2)

Writing and weighing chemical equations

Linear spectrum of hydrogen atom

Second gra.... inFirst Term | Chemistry

0 (0)

the goal:The hydrogen atom discrete spectroscopyMaterials and tools:Hydrogen gas electrical discharge tube - triple glass prism - white screen - two vertical micro-slits opposite each other - metal rod - connecting wiresSteps:1-Connect the positive terminal of the voltage source to the base of the e......

Detection of nitrite anion

Third grad.... inFirst Term | Chemistry

0 (0)

Detection of nitrite anionPlease watch the video of the experiment by clicking here before starting it

Detection of the iodide anion

Third grad.... inFirst Term | Chemistry

0 (0)

Please watch the video of the experiment here before starting it

Types of radiation

First grad.... inThird Seme... | Chemistry

0 (0)

Types of radiation

Measuring galvanic cell voltage

Third grad.... inFirst seme... | Chemistry

0 (0)

Measuring galvanic cell voltage

Note on the Law of Conservation of Mass

Third grad.... inSecond ter... | Sciences

0 (0)

the goal:Draw a conclusion about the Law of Conservation of Mass.Materials and tools:Wire crucible - Test tube - Balloon - Sensitive scale - Heater - Hot water bath - Test tube holder - Stopwatch - TissuesSteps:1. Place a piece of wire crucible in a medium-sized test tube.2. Attach the balloon nozzl......

The difference of materials from each other in electrical conductivity

Fourth Gra.... inFirst Term | Science

4.3916666666667 (12)

The goal of the experiment: Explain the difference of materials from each other in the ability of electrical conductivity Experience Tools:  Battery - electric lamp - glass cup - acids, strengths, salts and sugar solution - wood - copper - steel nail - connecting wires Steps of the experiment:......

Distinguish between acid and alkali solutions

Twelfth gr.... inFirst Term | Chemistry

0.15 (2)

Unit One: Chemical Reactions.Lesson Two: chemical compounds.This experiment aims to learn how to distinguish between acid and alkali solutions in the laboratory through reagents and the red and blue litmus papers.

The Hofmann's voltameter

eleventh g.... inFirst Term | chemistry

25.125 (2)

The goal of the experiment: Explain the idea of work the Hofmann's voltameter Experiments Tools:  Hofmann's voltameter apparatus- holder- acidified water with dilute sulphuric acid- battery – glowing splint Steps of the experiment: The Observation & Conclusion:

Fat Detection

First grad.... inSecond ter... | Chemistry

0 (0)

Objective of the experiment:fat detectionExperiment tools:Vegetable oil - Skimmed milk - Whole milk - Sudan III solution - Test tubesExperiment steps: - Put 2 ml of milk into test tubes.- Add 5 ml of water into a test tube and then put 2 ml of oil.- Add 10 drops of Sudan III solution to th......

Effective use of a Bunsen burner

First grad.... inThird Seme... | Chemistry

0 (0)

Effective use of a Bunsen burner

Classification of water hardness

First grad.... inThird Seme... | Chemistry

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the goal:To explain how to make soap at home.Materials and tools:Water sample 1 - Water sample 2 - Distilled water - Dropper - 3 test tubes with stoppers - Coloring pencil - Dishwashing liquid - Test tube rack.Steps:1- Take a quantity of distilled water and place it in test tube D, repeat the step w......

Wood density

First grad.... inThird Seme... | Chemistry

0 (0)

Wood density

Chewing gum analysis

Second gra.... inFirst seme... | Chemistry

0 (0)

Chewing gum analysis

Formation of Salt

Second gra.... inFirst seme... | Chemistry

0 (0)

Formation of Salt

Substances differ from each other in terms of melting point

First Grad.... inFirst Term | Science

0 (0)

Substances differ from each other in terms of melting point

Determine the formula of aqueous salts

Second gra.... inFirst seme... | Chemistry

0.05 (1)

Determine the formula of aqueous salts

Detection of monosaccharides and disaccharides

Fourth Gra.... inFirst Seme... | Science

0 (0)

Detection of monosaccharides and disaccharides

How do different liquids affect the speed of a ball moving in it (introductory experiment)

Third grad.... inThird Seme... | Chemistry

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the goal:Investigating flow velocity in different fluids.Materials and tools:Small balls - set of different fluids - graduated cylinder. Steps:1- Fill the graduated cylinder with water2- Drop a small glass ball into the graduated cylinder3- Using a stopwatch, measure the average time it takes f......

Boyle's Law

Third grad.... inThird Seme... | Chemistry

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Boyle's Law

Torricelli experiment

Third grad.... inThird Seme... | Chemistry

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the goal:Determine the value of atmospheric pressure using a mercury barometer.Materials and tools:tube 90 cm - basin - mercury - glass plate - holderSteps:1) Fill the test tube and the glass bowl with mercury.2) Drop the test tube in the pelvis and note what happens. Note:The drop in the level......

Manometer device

Second gra.... inSecond Ter... | Physics

0.25 (3)

Manometer device

Get to know a dilapidated (old) truck

Third grad.... inFirst seme... | Chemistry

0 (0)

Get to know a dilapidated (old) truck

How to Make a Lemon Battery?

Third grad.... inFirst seme... | Chemistry

0 (0)

How to Make a Lemon Battery?

What happens when iron reacts with copper sulphate (introductory experiment)

Third grad.... inFirst seme... | Chemistry

0 (0)

What happens when iron reacts with copper sulphate (introductory experiment)

Investigation of factors affecting solubility

Third grad.... inFirst seme... | Chemistry

0 (0)

Investigation of factors affecting solubility

How does it work as a cold pack?

Second gra.... inSecond ter... | Chemistry

0 (0)

How does it work as a cold pack?

Shift in equilibrium position

Second gra.... inSecond ter... | Chemistry

0 (0)

Shift in equilibrium position

Comparing evaporation rates

Second gra.... inSecond ter... | Chemistry

0 (0)

Comparing evaporation rates

Dye separation

First grad.... inThird Seme... | Chemistry

0 (0)

Dye separation

Properties of alcohols

Second gra.... inThird Seme... | Chemistry

0 (0)

Properties of alcohols