Objective: Understand Newton's Third Law (action and reaction) through the balloon push experiment.Materials: Balloon – curtain string – straw – paper clip – adhesive tapeProcedure: Tie one end of the string to the door handle. Pass the free end of the string through the straw. Tie the other end to......

Objective: To prove that exhaled air contains less oxygen compared to atmospheric air.Materials: Large container with screw cap – water container – rubber tube – candle.Procedure: Fill the large container with water. Place the rubber tube through the cap and invert the container in the water, ensuri......

Objective: To understand how skeletal muscles work during movement and study the relationship between contraction of one muscle and relaxation of its opposing muscle.Materials: Human arm model.Procedure: Bend the arm at the elbow joint and observe the shape of the biceps and triceps. Straighten the......

Objective: To learn how to convert chemical energy into electrical energy using potatoes as a power source.Materials: Fresh potatoes – copper strips – zinc strips – small LED – connecting wires with clips – safety goggles.Procedure: Insert a copper strip into the potato. Insert a zinc strip a small......

Objective: Observe asexual reproduction in strawberry plants through runners and understand how a plant can create a new copy of itself without seeds.Materials: Healthy strawberry plant – pot with moist soil – water.Procedure: Observe the parent plant and its parts. Take a long healthy runner from t......

Objective: To study the effect of solute mass on the amount of temperature change accompanying the dissolution process.Materials: Solid lithium chloride (LiCl) – distilled water – glass beaker – thermometer – sensitive balance – stirring rod or spoon – stopwatch.Procedure: Prepare four identical tes......

Objective To study the effect of force and mass on acceleration and verify Newtons second law F=maF=maF=maMaterials Small wheeled cart _ adjustable ramp _ rubber bands _ 1–3 carts to change mass _ tape or motion sensor with computer _ side barrierProcedure Compensate for friction lift the ramp and l......

Objective: To prove that some chemical reactions are accompanied by the release of thermal energy, which leads to an increase in the temperature of the surrounding medium.Materials: Dilute hydrochloric acid – Magnesium ribbon – Sodium hydroxide solution – Sodium carbonate – Polystyrene cups – Glass......

Objective: To compare the amount of thermal energy released from the combustion of fats and carbohydrates.Tools: Test tube - Combustion spoon - Bunsen burner - Sensitive balance - Thermometer - Water - Sample of white sugar (carbohydrate) - Sample of pure vegetable oil (fat)Steps: Place an appropria......

Objective: To identify chemical reactions that absorb thermal energy from the surroundings, leading to a decrease in temperature.Tools: Barium hydroxide - Ammonium chloride - Sodium bicarbonate - Dilute acid - Calcium carbonate - Glass flask - Insulated cup - Thermometer - Heat sourceSteps: Barium h......

Objective: To identify the difference between hydrated and anhydrous salts and to explain the effect of adding water and heating on some salts.Materials: Anhydrous copper sulfate (CuSO₄) – Anhydrous cobalt chloride (CoCl₂) – Distilled water – Dropper – Test tubes – Heat source (Bunsen burner or elec......

Objective: To demonstrate how the kinetic energy of water is converted into mechanical energy by designing a simple water turbine model.Materials: White foam ball – four plastic spoons – toothpick – three wooden sticks – container – jug.Steps: Fix the spoons onto the foam ball to represent turbine b......

Objective: To prove that exhaled air contains a greater amount of carbon dioxide compared to inhaled air.Tools: Two large boiling tubes (A and B) - A small amount of clear limewater in each tube - Mouthpiece with one-way valves - Connecting tubesSteps: Place equal amounts of clear limewater in both......

Objective: To prove that oxygen gas is essential for combustion and to study the effect of its concentration on the rate and intensity of burning.Tools: Paraffin candle _ Glass bell jar _ Piece of steel wool _ Flask containing pure oxygen gas _ MatchesSteps: Light the paraffin candle using a match.......

Objective To explain the role of fats in reducing heat loss and show that they act as a thermal insulator that maintains body temperature.Tools Vegetable fats - Double-layer plastic bag - Plastic bag without fats - Bowl containing ice water - ThermometerSteps Place the vegetable fats inside the doub......