English
Arabic
French
German
Indonesian
English
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper sulfa......
Sciences
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper sulfate – thermal decomposition – oxides – color change
Mixing and separation of substances mixing materials – separation – filtration – sedimentation......
Science
Mixing and separation of substances mixing materials – separation – filtration – sedimentation – mixture
Objective of the experiment:Making a thermometerExperiment tools:Glass basin - Graduated cylinder -......
Sciences
Objective of the experiment:Making a thermometerExperiment tools:Glass basin - Graduated cylinder - Candle - Beaker with colored water - Lighter Experiment steps: - Put the amount of water into the plastic bottle.- Put the amount of ethyl alcohol into the plastic bottle.- Put the amount of red color......
Three states of matterstates of matter – solid – liquid – gas – physical changes
Sciences
Three states of matterstates of matter – solid – liquid – gas – physical changes
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper carbona......
Sciences
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper carbonate – heating – decomposition – carbon dioxide
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper hydrox......
Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): copper hydroxide – thermal decomposition – heating – oxides
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): mercury oxide......
Chemistry
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): mercury oxide – thermal decomposition – mercury – oxygen
Keywords: Chemical reaction – Reactants – Products – Change
Science
Keywords: Chemical reaction – Reactants – Products – Change
purpose of experienceHow to measure an object's weight by using a spring scaleToolsspring balance -......
Science
purpose of experienceHow to measure an object's weight by using a spring scaleToolsspring balance - the object to be weighed (sandbag) - tripodstepsWelcome, you are going to do an experiment showing how to measure an object's weight by using a spring scale. Look at the theoretical framework on the l......
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): thermal deco......
Science
Unit one: chemical reactions. Lesson one: chemical reactions.Keywords (English): thermal decomposition – sodium nitrate – heat – oxides – thermal reaction
Keywords: Equation balancing – Chemical equilibrium – Reactants – Products – Atoms
Science
Keywords: Equation balancing – Chemical equilibrium – Reactants – Products – Atoms
Keywords: Epithelial tissues – Simple – Compound – Cells – Covering
Biology
Keywords: Epithelial tissues – Simple – Compound – Cells – Covering
The solar systemKeywords (English): solar system – planets – sun – orbit – space
Sciences
The solar systemKeywords (English): solar system – planets – sun – orbit – space
Gravity between the sun, earth and moonKeywords (English): gravity – sun – Earth – moon – orbital mo......
Science
Gravity between the sun, earth and moonKeywords (English): gravity – sun – Earth – moon – orbital motion
The water cycleKeywords (English): water cycle – evaporation – condensation – precipitation
Science
The water cycleKeywords (English): water cycle – evaporation – condensation – precipitation
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......
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......
how the type of material affects the change in temperature of objects.
Science
how the type of material affects the change in temperature of objects.
Keywords: Acids – Bases – Indicators – pH – Color
Chemistry
Keywords: Acids – Bases – Indicators – pH – Color
The difference of materials from each other in the melting point
The difference of materials from each other in the melting point
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:......
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......
the goal:Explain how distilled water is obtained.Materials and tools:2 flasks - condenser - connecti......
Science
the goal:Explain how distilled water is obtained.Materials and tools:2 flasks - condenser - connecting tubes - salt water solution - flame - stoppersSteps:Place the condenser horizontally on the standPlace the flasks, one over a Bunsen flame and the other on a lab benchPour the salty water into the......
Substances differ from each other in terms of melting point
Sciences
Substances differ from each other in terms of melting point
Making an Acidity Indicator from Red Cabbage Leaves
Science
Making an Acidity Indicator from Red Cabbage Leaves
Understand how heat is transferred in liquids by convection currents
Science
Understand how heat is transferred in liquids by convection currents
The activity demonstrates heat conduction by comparing copper and iron. Small nails fixed with wax o......
Science
The activity demonstrates heat conduction by comparing copper and iron. Small nails fixed with wax on both metal rods fall as the rods are heated. The copper nail falls first, showing that copper conducts heat faster than iron and highlighting the role of material type in heat transfer.
Transverse mechanical wavesTools Rope - Screw a ring fixed to a wallsteps Take the rope and fix......
Science
Transverse mechanical wavesTools Rope - Screw a ring fixed to a wallsteps Take the rope and fix one end of it to the screw of the ring and tighten the other end with your hand Move the end of the rope vertically up once and note what happens We notice that a wave is generated in the rope i......
Keywords: Waves – Spring – Vibration – Energy – Propagation
Physics
Keywords: Waves – Spring – Vibration – Energy – Propagation
Keywords: Nonmetals – Oxygen – Combustion – Nonmetal oxides
Chemistry
Keywords: Nonmetals – Oxygen – Combustion – Nonmetal oxides
Keywords: Metals – Oxygen – Oxides – Chemical reaction
Science
Keywords: Metals – Oxygen – Oxides – Chemical reaction
purpose of experimentHow the shadow is formedtoolsDark body (ball) - Light source (torch )stepsWelco......
Sciences
purpose of experimentHow the shadow is formedtoolsDark body (ball) - Light source (torch )stepsWelcome. Now you are going to do an experiment that shows, How is the shadow formed?, Look at the Theoretical framework On the lab board, then bring the tools to the lab bench,Place the dark body (bal......
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......
Keywords: Displacement – Metals – Hydrogen – Chemical reaction
Chemistry
Keywords: Displacement – Metals – Hydrogen – Chemical reaction
Keywords: Resistors – Parallel – Electric circuit – Current – Voltage
Physics
Keywords: Resistors – Parallel – Electric circuit – Current – Voltage
Keywords: Metals – Acids – Hydrogen – Chemical reaction
Science
Keywords: Metals – Acids – Hydrogen – Chemical reaction
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......
Parallel Connection This video shows how to conduct the experimentKeywords (English): parallel conne......
Science
Parallel Connection This video shows how to conduct the experimentKeywords (English): parallel connection – electric circuits – voltage – current
Investigate the movement of the sun using the shadowKeywords (English): sun movement – shadow tracki......
Science
Investigate the movement of the sun using the shadowKeywords (English): sun movement – shadow tracking – time – direction
Metals and non-metalsmetals – nonmetals – conductivity – luster – hardness – matter
Sciences
Metals and non-metalsmetals – nonmetals – conductivity – luster – hardness – matter
Objective: To observe how waves propagate in water and study the effect of depth on wave speed and d......
Forces and energy
Objective: To observe how waves propagate in water and study the effect of depth on wave speed and direction.Materials: Tray – Water – Ruler – Disc.Steps: Take a water-resistant tray and fill it with water to a depth of about 1 cm. Lift one edge of the tray slightly and let it fall gently to generat......
Objective: To verify that sound requires a material medium to travel, and that solid media transmit......
Properties of materials
Objective: To verify that sound requires a material medium to travel, and that solid media transmit sound more efficiently than air.Materials: Two cups – Sharp object to make a hole – Long string.Steps: Make a small hole in the bottom of each cup. Pass the ends of the string through the holes and ti......
The aim of this experiment is to demonstrate the effect of candle combustion on the temperature of o......
The aim of this experiment is to demonstrate the effect of candle combustion on the temperature of oil.
Objective: To model continental driftMaterials: Pieces of polystyrene – water – a large heatproof di......
Earth physics
Objective: To model continental driftMaterials: Pieces of polystyrene – water – a large heatproof dish – Bunsen burnerProcedure: Pour some water into the heatproof dish Place the pieces of polystyrene on the water and wait until they stop moving Heat the water gently at medium temperatureObservation......
Objective: To understand the principle of echolocation by using light and a mirror to model how bats......
Sound
Objective: To understand the principle of echolocation by using light and a mirror to model how bats and dolphins locate objects.Materials: Small flat mirror _ Light source _ Piece of cardboard _ Four small supports to raise the cardboard above the mirror.Steps: Place the mirror vertically on the ta......
Objective: To study the effect of heating on the temperature of water and observe the changes in its......
Properties of materials
Objective: To study the effect of heating on the temperature of water and observe the changes in its physical state (from liquid to vapor) during boiling.Materials: Beaker – Thermometer – Bunsen burner – Tripod stand – Wire gauze – Graduated cylinder – Clamp stand – Heat-resistant base.Steps:Measure......
Objective: To show different colors using universal indicator solution to illustrate the pH gradient......
Properties of materials
Objective: To show different colors using universal indicator solution to illustrate the pH gradient from base to acid (neutralization process) in a single liquid column.Materials: Test tube – Holder – Washing soda crystal – Water – Universal indicator solution – Hydrochloric acid.Steps: Secure the......
© All Rights Reserved @ 2025 For VLaby - Powered By VLaby.
