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Unit one: chemical reactions. Lesson one: chemical reactions.
Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experi......
Science
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.
Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experi......
Science
Unit One: Chemical Reactions. Lesson Three: Chemical equation and chemical reaction.This experiment aims to understand the interactions of the compounds with other compounds
Unit one: chemical reactions. Lesson one: chemical reactions.
Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Sciences
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Science
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Science
Unit one: chemical reactions. Lesson one: chemical reactions.
Unit one: chemical reactions. Lesson one: chemical reactions.
Science
Unit one: chemical reactions. Lesson one: chemical reactions.
The process of oxidation and reduction according to the traditional concept
Chemistry
The process of oxidation and reduction according to the traditional concept
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Chemistry
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Chemistry
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Chemistry
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Chemistry
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
Chemistry
Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.
The difference in the intensity of the reaction
Chemistry
The difference in the intensity of the reaction
The goal of the experiment: This experiment aims to discover the interaction of nonmetals with oxyge......
Chemistry
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 goal of the experiment This experiment aims to understand the properties of the interaction of m......
Science
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......
Hydrometer Experiment to Measure Liquid Density
Integrated Sciences
Hydrometer Experiment to Measure Liquid Density
Purpose of experimentto learn about electrolyte solutionsToolsSodium chloride salt - dilute ace......
Chemistry
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......
Purpose of experiment Preparation of oxygen gas in the laboratory Toolsglass beaker - two-......
Chemistry
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......
Experiment purposeThomson's atom modelToolsDischarge tube - connecting wires - high voltage source -......
Chemistry
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?
biology
What substances can pass through a semipermeable membrane?
Comparison between the constants of solubility products.
Chemistry
Comparison between the constants of solubility products.
purpose of experiment to learn about non-electrolyte solutionstools2 glass beaker - distilled......
Chemistry
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......
Chemistry
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......
Purpose of experimentPreparation of carbon dioxide gas in the laboratorytoolsgraduated flask - glass......
Sciences
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......
purpose of experiment illustrate chemical indicators tools Hydrochloric acid – sodium hydroxide – o......
Chemistry
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......
Objective of the experiment:Calculate the volume percentage of oxygen in the airExperiment tools:Gla......
Chemistry
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 anionThis video shows how to do the experimenthttps://youtu.be/_2a2CeQxanw
biology
Detection of the chloride anionThis video shows how to do the experimenthttps://youtu.be/_2a2CeQxanw
Unit one: chemical reactions. Lesson one: chemical reactions.Please watch the video of the ex......
Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.Please watch the video of the experiment by clicking here before starting it
Methods for measuring pHPlease watch the video of the experiment by clicking here before starting it......
Science
Methods for measuring pHPlease watch the video of the experiment by clicking here before starting it
Detection of iron 111 cationThis video shows how to do the experimenthttps://youtu.be/8lV8Y7aNVmA
Chemistry
Detection of iron 111 cationThis video shows how to do the experimenthttps://youtu.be/8lV8Y7aNVmA
Detection of monosaccharides and disaccharidesPlease watch the video of the experiment by clicking h......
Biology
Detection of monosaccharides and disaccharidesPlease watch the video of the experiment by clicking here before starting it
Discovering the chemical properties of metals (reaction of metals with oxygen)objectiveUnderstanding......
Science
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:Tools Samples of nano......
Chemistry
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......
Please watch the video of the experiment by clicking here before starting it
Chemistry
Please watch the video of the experiment by clicking here before starting it
Please watch the video of the experiment by clicking here before starting it
Chemistry
Please watch the video of the experiment by clicking here before starting it
the goal:Explanation of how we can infer a chemical change has occurred.Materials and tools:Ammonia......
Chemistry
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......
the goal:Measuring the change in temperature of a mass of water during a combustion reaction.Materia......
Chemistry
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......
the goal:Learning how to prepare ester.Materials and tools: Electric heater - Glass cup - Test......
Chemistry
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......
the goal:The hydrogen atom discrete spectroscopyMaterials and tools:Hydrogen gas electrical discharg......
Chemistry
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 anionPlease watch the video of the experiment by clicking here before starting......
Chemistry
Detection of nitrite anionPlease watch the video of the experiment by clicking here before starting it
Please watch the video of the experiment here before starting it
Chemistry
Please watch the video of the experiment here before starting it
the goal:Draw a conclusion about the Law of Conservation of Mass.Materials and tools:Wire crucible -......
Sciences
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 goal of the experiment: Explain the difference of materials from each other in the ability of el......
Science
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:......
Unit One: Chemical Reactions.Lesson Two: chemical compounds.This experiment aims to learn how to dis......
Chemistry
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 goal of the experiment: Explain the idea of work the Hofmann's voltameter Experiments Tools: &nb......
chemistry
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:
Objective of the experiment:fat detectionExperiment tools:Vegetable oil - Skimmed milk - Whole milk......
biology
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......
the goal:To explain how to make soap at home.Materials and tools:Water sample 1 - Water sample 2 - D......
Chemistry
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......
Substances differ from each other in terms of melting point
Sciences
Substances differ from each other in terms of melting point
Detection of monosaccharides and disaccharides
Science
Detection of monosaccharides and disaccharides
the goal:Investigating flow velocity in different fluids.Materials and tools:Small balls - set of di......
Chemistry
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......
the goal:Determine the value of atmospheric pressure using a mercury barometer.Materials and tools:t......
Physics
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......
What happens when iron reacts with copper sulphate (introductory experiment)
Chemistry
What happens when iron reacts with copper sulphate (introductory experiment)
Investigation of factors affecting solubility
Chemistry
Investigation of factors affecting solubility
Preparation of nitrogen gas in the laboratory
Chemistry
Preparation of nitrogen gas in the laboratory
Preparation of nitrogen gas from chemical compounds
Chemistry
Preparation of nitrogen gas from chemical compounds
Preparation of nitric acid in the laboratory.
Chemistry
Preparation of nitric acid in the laboratory.
Separation of a Solid and Liquid MixtureMaterials Used:SandSaltWaterFilter funnelFilter paperGlass p......
Science
Separation of a Solid and Liquid MixtureMaterials Used:SandSaltWaterFilter funnelFilter paperGlass plate for evaporationHeat source (e.g., Bunsen burner).Objective of the Experiment:To separate the components of a mixture of sand, salt, and water by filtration to separate the sand, and evaporation t......
Making an Acidity Indicator from Red Cabbage Leaves
Science
Making an Acidity Indicator from Red Cabbage Leaves
This experiment aims to understand that a chemical reaction is a change that produces new substances......
Science
This experiment aims to understand that a chemical reaction is a change that produces new substances, indicated by the release of gas.
Description: A description of how chemical reactions occur and their essential role in sustaining va......
Description: A description of how chemical reactions occur and their essential role in sustaining various aspects of life.
Materials: Properties and Changes
Objective: To identify indicators of a chemical reaction by observing the temperature change when vi......
Materials: Properties and Changes
Objective: To identify indicators of a chemical reaction by observing the temperature change when vinegar reacts with steel wool.Materials: Steel wool ball – Vinegar – Glass cup – Thermometer.Steps: Place a steel wool ball in a glass cup. Pour vinegar over the steel wool and let it sit for 1–2 minut......
This experiment aims to verify whether the properties of substances change after a chemical reaction......
Science
This experiment aims to verify whether the properties of substances change after a chemical reaction and to observe the formation of new substances with different properties.
Objective: To investigate how water, oil, and food coloring interact and observe whether the substan......
Sciences
Objective: To investigate how water, oil, and food coloring interact and observe whether the substances mix or remain separate.Materials: Test tube – water – vegetable oil – food coloringProcedure: Pour some water into the test tube. Add some vegetable oil slowly into the test tube. Add two drops of......
This experiment demonstrates the concept of chemical reactions through the formation of a precipitat......
Science
This experiment demonstrates the concept of chemical reactions through the formation of a precipitate resulting from the reaction of two solutions.
Objective: To investigate the effect of a soft drink on an iron nail and observe the changes that oc......
Sciences
Objective: To investigate the effect of a soft drink on an iron nail and observe the changes that occur over timeMaterials: Iron nail – glass cup – soft drinkSteps: Observe the appearance of the iron nail before starting the experiment Pour enough soft drink into the glass cup Drop the nail into the......
An activity to identify and learn about the tools and equipment used in chemistry experiments.
An activity to identify and learn about the tools and equipment used in chemistry experiments.
Objective: To distinguish between a mixture and a compound through the reaction of iron and sulfur.M......
Properties of materials
Objective: To distinguish between a mixture and a compound through the reaction of iron and sulfur.Materials: Two dishes – stirring tool – boiling tube – test tube holder – sulfur powder – iron filings – steel wool – magnet.Steps: Place some iron filings in a glass beaker, add yellow sulfur powder,......
Objective: To distinguish between saturated and unsaturated hydrocarbons.Materials: Test tubes – dro......
Objective: To distinguish between saturated and unsaturated hydrocarbons.Materials: Test tubes – dropper – test tube holder – cyclohexane solution – cyclohexene solution – bromine water.Steps: Place a small amount of cyclohexane in test tube (1). Place an equal amount of cyclohexene in test tube (2)......
Objective: To identify the effect of temperature on chemical changes and observe milk spoilage when......
Objective: To identify the effect of temperature on chemical changes and observe milk spoilage when left at room temperature.Materials: Small glass cup, equal amounts of milk.Steps: Pour equal amounts of milk into two small cups. Place the first cup in the refrigerator. Leave the second cup on a kit......
Objective: To identify the compounds that make up an unknown substance by comparing its reactions wi......
Sciences
Objective: To identify the compounds that make up an unknown substance by comparing its reactions with known substances such as starch, sugar, and baking powder.Materials: Test tubes, sugar, starch, baking powder, unknown substance, water, iodine solution, sodium bicarbonate solution, dropper.Steps:......
Objective: To identify materials that dissolve in water and materials that do not.Materials: Three t......
Chemical reactions
Objective: To identify materials that dissolve in water and materials that do not.Materials: Three transparent cups _ Water _ Salt _ Sugar _ Sand _ Stirring spoonSteps: Put some water in each cup. Add a small amount of salt, sugar, and sand to the three cups of water. Stir each cup using the spoon a......
Objective: To understand the different properties of organic compounds (such as sugar, perfume, and......
Sciences
Objective: To understand the different properties of organic compounds (such as sugar, perfume, and oil) despite containing the same elements: carbon, hydrogen, and oxygen.Materials: Sugar _ Perfume _ Vegetable oil _ Glass cups _ Hot water _ SpoonSteps: Place a spoonful of each substance (sugar, per......
Objective: To test for the presence of the carbonate ion.Materials: Sodium carbonate salt. Dilute hy......
Chemistry
Objective: To test for the presence of the carbonate ion.Materials: Sodium carbonate salt. Dilute hydrochloric acid. Distilled water. Magnesium sulfate solution. Test tubes.Procedure: Place a small amount of solid sodium carbonate in a test tube. Add a few drops of dilute hydrochloric acid to the tu......
The magnetic properties of the first transition series elements
Chemistry
The magnetic properties of the first transition series elements
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