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Class 9
Gravity & Free Fall
Gravity is the invisible hug from Earth that pulls everything down toward its center!
Interactive Concept Map
👉 Click any bubble to unlock the secret concept!
👈 Choose a bubble from the map to read its explanation.
Interactive Sandbox Lab
Watch side-by-side! Under earth atmosphere, friction slows the feather down. In a vacuum with zero air, they fall in perfect sync!
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Real Life Visual Metaphor
Dropping a ball and watching it fall, or jumping up and landing back on the ground, are due to gravity!
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Did You Know Fact!
If you dropped a hammer and a feather on the Moon (where there is no air), they would land at the exact same time!
Mini Game Challenge
Rearrange the Concept Map!
Click the steps in chronological order (1st to last) to test your visual memory!
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AI Kids Tutor
Whiteboard Doodle
✏️ Draw here with touch/mouse
💡Use the board to sketch diagrams, split circles, or outline equations while studying!
Gravity & Free Fall Revision Sheet
1
Gravity pulls objects toward Earth's center.
2
Acceleration due to gravity (g) is 9.8 m/s².
3
In a vacuum (no air), a feather and hammer fall at the same speed.
4
Air resistance opposes gravity's downward pull.
Graduate This Concept
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