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योजना लॉगिन
Grade 6

Forces, motion, and fair testing

Study pushes, pulls, friction, and balanced testing so conclusions come from evidence instead of guesswork.

Category: World Around Us 12 min Advanced
Aa Tap Say वाचा

In an investigation, change only one factor at a time when possible. That makes it easier to see what really caused the result.

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A Picture card
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A push can start movement, and a pull can change direction.

force basics

Forces act by pushing or pulling objects.

Example: Pushes and pulls are forces.

F Picture card
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Friction slows a moving object when two surfaces rub against each other.

friction

A rough surface usually creates more friction than a smooth one.

Example: Friction affects motion.

I Picture card
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If you test paper planes, use the same paper and same throw each time.

fair test

Only one variable should change if you want useful evidence.

Example: Fair tests control the variables.

C Picture card
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Conclusion: Evidence from repeated trials is stronger than one lucky result.

science reasoning

Reliable testing needs more than one attempt.

Example: Repeated trials improve trust in results.

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