KS3 Unit 7k Forces 1© NTScience.co.uk 2005

Forces

KS3 Unit 7k Forces 2© NTScience.co.uk 2005

Q1. What do you call a force to move something

away from you?

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A1. Push

KS3 Unit 7k Forces 4© NTScience.co.uk 2005

Q2. What do you call a force to bring something

towards you?

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A2. Pull

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Q3. What gives everything its weight on

Earth, or anywhere else?

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A3. Gravity

KS3 Unit 7k Forces 8© NTScience.co.uk 2005

Q4. What force opposes the motion of sliding

objects?

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A4. Friction

KS3 Unit 7k Forces 10© NTScience.co.uk 2005

Q5. What special property do Iron, Cobalt

and Nickel have?

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A5. They are magnetic

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Q6. What allows a ship to float on the ocean?

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A6. Buoyancy

Upthrust

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Q7. What do you call a fluid that reduces friction

between surfaces?

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A7. Lubricant

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Q8. What do you call something that returns to its original shape when

deformed?

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A8. Elastic

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Q9. What do you call something that retains

its shape when deformed?

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A9. Plastic

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Q10. When a wire is pulled it is said

to be in ...

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A10. Tension

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Q11. When you stand on a brick it is said

to be in ...

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A11. Compression

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Q12. What is the scientific term for

“heaviness", something's mass divided by its

volume?

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A12. Density

KS3 Unit 7k Forces 26© NTScience.co.uk 2005

Q13. What slows something down as it

flies through the atmosphere?

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A13. Air resistance

KS3 Unit 7k Forces 28© NTScience.co.uk 2005

Q14. Fast cars and aeroplanes are

streamlined to reduce what?

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A14. Drag

Air resistance

KS3 Unit 7k Forces 30© NTScience.co.uk 2005

Q15. What do we call the force on a mass due

to gravity?

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A15. Weight

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