:Objective To identify the presence of invisible air pollutants and demonstrate that air contains suspended particles such as dust and smoke that are not visible to the naked eye.:Tools White paper _ Adhesive material (Vaseline or oil) _ Adhesive tape _ Open place inside the room _ Smoke source:Step......

An experiment aimed at understanding the effect of water and sugar solution on po:Objective To study the effect of water and sugar solution on the length and texture of potato cylinders after immersion.:Tools Large potato - Cork borer - Pencil to push cylinders - Two test tubes - 20% sugar solution......

:Objective To identify the external and internal parts of the brain and examine neurons.:Tools Preserved sheep brain in formalin _ Dissection tray _ Dissection tools _ Pins _ Rubber gloves _ Microscope slide _ Light microscope (400× magnification):Steps External dissection: Place the brain convex si......

Keywords: Thermal insulation – Heat – Heat transfer – Fabric – Cooling – Heat retention

:Objective To understand how water affects the disintegration of different rocks, and to compare the resistance of rock types to water erosion.:Tools Transparent containers with lids _ Magnifying lens _ Water _ Sample of sandstone _ Sample of limestone:Steps Place each type of rock in a separate con......

:Objective To study the activity of the enzyme catalase and how it breaks down hydrogen peroxide, and to compare the activity between different enzyme sources (liver, potato, other plants):Tools Animal liver or plant alternative such as potato _ Mortar and Pestle _ Water _ Sand _ Test tubes _ Filter......

:Objective Identifying the parts of seeds and comparing dicotyledonous seeds and monocotyledonous seeds:Tools Samples of soaked seeds (such as beans and corn) _ Dishes _ Magnifying lens:Steps Examine the bean and corn seeds using the magnifying lens and observe the different parts of each seed Deter......

:Objective To compare the amount of energy possessed by two objects different in size and mass, and to study the effect of mass on the amount of transferred energy:Tools Golf ball • Large glass ball • Ruler • Balance • Container (tray) • Fine sand:Steps Fill the container with an even layer of fine......

:Objective To prove that larvae (worms) do not arise spontaneously from decaying meat, but are produced from eggs laid by flies, thus refuting the theory of spontaneous generation:Tools Two identical glass jars _ A piece of raw meat _ A piece of cloth (gauze) that allows air to pass through _ String......

:Objective Measuring the speed of sound in air practically using two microphones and a digital timer:Tools Two microphones _ Digital timer (in milliseconds) _ Meter ruler _ Hammer and metal plate:Steps We place the two microphones in a straight line and measure the distance between their centers We......

This experiment shows how electrical energy is converted into kinetic energy. When electric current flows through the circuit, it powers the motor, causing it to rotate. This motion represents kinetic energy.Keywords: Electrical energy – Kinetic energy – Electric current – Motor – Motion – Energy co......

Objective To understand how different amounts of water affect soil piles of various sizes and simulate the effect of rain on landformsTools Tray – 3 plastic cups with different amounts of soil – water – watering can – ruler – graduated cylinder – plastic spoonSteps Pour each cup of soil carefully in......

Objective: Investigate the effect of static electricity generated by friction on the movement of objects, and understand how forces can keep a light object in the air without touching it.Materials: Dry cloth – two foam platesProcedure: Place one foam plate on a flat surface. Rub the cloth on the fir......

Objective: To identify the parts of a bone and their functions.Materials: Picture of a long bone – colored pencilsProcedure: Observe the outer and inner parts of the bone. Identify the Haversian canal, red marrow, and yellow marrow. Color the different parts for better understanding.Observation: The......

Objective: To observe the properties of different liquids using colored water, honey, and milk.Materials: Colored water – honey – milk – wooden sticks – wax paper – dropperProcedure: Place a drop of each liquid on wax paper at close distances. Use a wooden stick to gently push each drop and observe......

Objective: Observe how the shape of a glass container affects the water level.Materials: Measuring cup – glass containers of different shapes – deep container – colored waterProcedure: Place the glass containers inside the deep container to keep them stable. Measure 100 mL of colored water in the me......

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......