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Friction

3rd grade (Year 4 in England) · 16 questions · Common Core: NGSS.3-PS2-1 · England: KS2 Y3 Forces and magnets, KS2 Y5 Forces

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Score/ 16

1
Question 1
Friction: which statement is NOT true?
- A. Friction acts in the opposite direction to movement.
- B. Friction can make surfaces warm up.
- C. Friction speeds things up.
- D. Rough surfaces usually give more friction than smooth ones.
2
Question 2
Why do football boots have studs?
- A. to make a noise
- B. to make them lighter
- C. to increase friction so players don't slip
- D. to reduce friction
3
Question 3
A toy car was rolled down the same ramp onto different surfaces. The chart shows how far it went (cm). Which surface had the MOST friction?
- A. grass
- B. ice
- C. wood floor
- D. sandpaper
4
Question 4
Friction: which statement is NOT true?
- A. Friction is always unhelpful.
- B. Rough surfaces usually give more friction than smooth ones.
- C. Friction acts in the opposite direction to movement.
- D. Bicycle brakes use friction to slow the wheels.
5
Question 5
Why do people oil a squeaky bicycle chain?
- A. to make it heavier
- B. to increase friction
- C. to reduce friction
- D. to make it magnetic
6
Question 6
A toy car was rolled down the same ramp onto different surfaces. The chart shows how far it went (cm). Which surface had the MOST friction?
- A. wood floor
- B. grass
- C. carpet
- D. ice
7
Question 7
Friction: which statement is NOT true?
- A. Friction speeds things up.
- B. Bicycle brakes use friction to slow the wheels.
- C. Friction can make surfaces warm up.
- D. Friction acts in the opposite direction to movement.
8
Question 8
Why do people oil a squeaky bicycle chain?
- A. to make it magnetic
- B. to make it heavier
- C. to increase friction
- D. to reduce friction
9
Question 9
A toy car was rolled down the same ramp onto different surfaces. The chart shows how far it went (cm). Which surface had the MOST friction?
- A. ice
- B. sandpaper
- C. wood floor
- D. grass
10
Question 10
Friction: which statement is NOT true?
- A. Friction can make surfaces warm up.
- B. Friction acts in the opposite direction to movement.
- C. Rough surfaces usually give more friction than smooth ones.
- D. Friction is always unhelpful.
11
Question 11
On which surface would you slide furthest in your socks?
- A. a thick carpet
- B. a gravel path
- C. a polished wooden floor
- D. a grassy field
12
Question 12
A toy car was rolled down the same ramp onto different surfaces. The chart shows how far it went (cm). Which surface had the MOST friction?
- A. wood floor
- B. carpet
- C. ice
- D. grass
13
Question 13
Friction: which statement is NOT true?
- A. Bicycle brakes use friction to slow the wheels.
- B. Friction can make surfaces warm up.
- C. Friction acts in the opposite direction to movement.
- D. Friction speeds things up.
14
Question 14
On which surface would you slide furthest in your socks?
- A. a thick carpet
- B. a polished wooden floor
- C. a gravel path
- D. a grassy field
15
Question 15
A toy car was rolled down the same ramp onto different surfaces. The chart shows how far it went (cm). Which surface had the LEAST friction?
- A. sandpaper
- B. wood floor
- C. carpet
- D. ice
16
Question 16
Friction: which statement is NOT true?
- A. Friction acts in the opposite direction to movement.
- B. Bicycle brakes use friction to slow the wheels.
- C. Friction can make surfaces warm up.
- D. Ice has more friction than sandpaper.

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