29/04/2026
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🔬 1. Floating Egg Experiment
Fact: Salt water is denser than fresh water, so objects float more easily.
Demo: Place an egg in plain water (it sinks), then add salt (it floats).
Key concept: Density
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🌈 2. Rainbow Formation
Fact: Rainbows are formed when light bends (refracts) and splits into colors.
Demo: Use a glass of water and sunlight to create a mini rainbow.
Key concept: Refraction of light
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🌍 3. Earth’s Rotation
Fact: The Earth spins, causing day and night.
Demo: Use a ball and torchlight to show how one side is bright (day) and the other is dark (night).
Key concept: Rotation
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🌱 4. Plants Make Their Food
Fact: Plants produce food using sunlight, water, and carbon dioxide.
Scientific concept: Photosynthesis
Demo: Show a leaf and explain how sunlight helps it grow.
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💧 5. Water Can Exist in Three States
Fact: Water can be solid (ice), liquid (water), or gas (steam).
Demo: Show ice melting into water.
Key concept: States of matter
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🧲 6. Magnets Attract Metals
Fact: Magnets can pull objects made of iron and steel.
Demo: Use a magnet to pick up pins or paper clips.
Key concept: Magnetism
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🔊 7. Sound Travels Through Vibrations
Fact: Sound is made when objects vibrate.
Demo: Stretch a rubber band and pluck it to hear sound.
Key concept: Vibration
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🌬️ 8. Air Takes Up Space
Fact: Air is invisible but occupies space.
Demo: Blow a balloon and show it expands because of air.
Key concept: Properties of air
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🔥 9. Fire Needs Oxygen
Fact: Fire cannot burn without air (oxygen).
Scientific concept: Combustion
Demo: Cover a candle with a glass and watch it go out.
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🌊 10. Some Objects Sink or Float
Fact: Whether something sinks or floats depends on its density and shape.
Demo: Drop different objects in water and observe.
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🎤 Presentation Tip for Children
Encourage them to:
Introduce themselves as “Young Scientist”
State the fact clearly
Show a simple demonstration
Explain in 1–2 sentences
