Air resistance and water resistance
5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.MS-PS2-2 · England: KS2 Y5 Forces
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Date
Score/ 16
Question 1
Cyclists crouch low over their handlebars in races. Why?
- A. to see the road better
- B. to make the bike heavier
- C. to increase friction with the road
- D. to reduce air resistance
Question 2
Air and water resistance: which statement is NOT true?
- A. Air resistance acts against the direction of motion.
- B. A parachute with a bigger area falls more slowly.
- C. Air resistance gets smaller as you go faster.
- D. Streamlined shapes reduce air and water resistance.
Question 3
Why does air resistance increase as a cyclist goes faster?
- A. Gravity gets stronger
- B. The air gets heavier
- C. The cyclist hits more air particles each second
- D. The bike gets bigger
Question 4
Why does a parachute slow a skydiver down?
- A. Its large surface creates a lot of air resistance
- B. It is full of helium
- C. It makes the skydiver lighter
- D. It turns off gravity
Question 5
Air and water resistance: which statement is NOT true?
- A. Air resistance is a type of friction.
- B. Streamlined shapes reduce air and water resistance.
- C. A parachute with a bigger area falls more slowly.
- D. Air resistance pulls falling objects downwards.
Question 6
Why is it harder to walk through water than through air?
- A. Water has no particles
- B. Gravity is stronger in water
- C. Air pushes you forward
- D. Water resistance is much bigger than air resistance
Question 7
Cyclists crouch low over their handlebars in races. Why?
- A. to increase friction with the road
- B. to make the bike heavier
- C. to see the road better
- D. to reduce air resistance
Question 8
Air and water resistance: which statement is NOT true?
- A. Air resistance pulls falling objects downwards.
- B. A parachute with a bigger area falls more slowly.
- C. Streamlined shapes reduce air and water resistance.
- D. Air resistance acts against the direction of motion.
Question 9
Which is the best shape for a fast racing car?
- A. covered in flags
- B. tall and square
- C. flat and wide like a sheet
- D. low and streamlined
Question 10
Which falls slowest: a flat sheet of paper or the same paper screwed into a ball?
- A. the flat sheet
- B. the ball of paper
- C. they always land together
- D. neither falls
Question 11
Air and water resistance: which statement is NOT true?
- A. Air resistance acts against the direction of motion.
- B. Air resistance pulls falling objects downwards.
- C. A parachute with a bigger area falls more slowly.
- D. Streamlined shapes reduce air and water resistance.
Question 12
Why does air resistance increase as a cyclist goes faster?
- A. The cyclist hits more air particles each second
- B. The air gets heavier
- C. Gravity gets stronger
- D. The bike gets bigger
Question 13
Why are fish and boats streamlined (smooth and pointed)?
- A. to increase water resistance
- B. to look nice
- C. to reduce water resistance
- D. to float higher
Question 14
Air and water resistance: which statement is NOT true?
- A. Streamlined shapes reduce air and water resistance.
- B. Air resistance acts against the direction of motion.
- C. Air resistance gets smaller as you go faster.
- D. A parachute with a bigger area falls more slowly.
Question 15
Which is the best shape for a fast racing car?
- A. low and streamlined
- B. tall and square
- C. flat and wide like a sheet
- D. covered in flags
Question 16
Which falls slowest: a flat sheet of paper or the same paper screwed into a ball?
- A. the flat sheet
- B. they always land together
- C. the ball of paper
- D. neither falls
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