Class 9 Science Simulations
Class 9 physics introduces force, gravitation and sound. Feel Newton's laws with friction and rockets, compare your weight on other planets, see why tides happen, and watch sound travel.
Astronomy
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Sim 12Rocket Staging
Set fuel and stages, launch, and watch thrust fight gravity.
Class 11 Laws of MotionLet's play
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Sim 22Your Weight on Other Worlds
Step on a scale and jump on the Moon, Mars, Jupiter and even the Sun: your mass stays, your weight changes.
Class 9 GravitationLet's play
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Sim 23Tides
Move the Moon around Earth to see the oceans bulge, and find spring and neap tides.
Class 9 GravitationLet's play
Mechanics
Sound
Using these in class
Open a simulation on the projector before you explain the idea, and ask the class to predict what will happen when you change one thing. Each page ends with challenges, a short quiz and answers to common questions, so it also works as homework. Nothing to install and no sign-up.