1. Year 7 multiple-choice pre-test 7K Forces and their effects
For each question circle the correct answer.
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

2. The word that best describes a force is... A) down B) muscle C) push
Question 1
The word that best describes a force is...
A) down
B) muscle
C) push
D) up
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

3. Objects fall down towards the Earth because... A) the air is thin
Question 2
Objects fall down towards the Earth because...
A) the air is thin
B) the Earth attracts them
C) the sunlight pushes them down
D) they are heavy
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

4. If the north poles of two magnets are brought near each other they...
Question 3
If the north poles of two magnets are brought near each other they...
A) do not do anything
B) give off electricity
C) make a noise
D) push each other apart
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

5. C) what makes objects float D) what makes objects fall
Question 4
Friction is...
A) a type of force
B) the unit of speed
C) what makes objects float
D) what makes objects fall
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

6. Question 5 The unit of force is the... A) centimetre B) gram C) metre
D) newton
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

7. A) The spring gets shorter. B) The spring gets weaker.
Question 6
Choose the statement that describes what happens when a spring is pulled at both ends.
A) The spring gets shorter.
B) The spring gets weaker.
C) There is an opposing pull from the spring.
D) There is a push from the spring.
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

8. Choose the mixture that can be separated using a magnet.
Question 7
Choose the mixture that can be separated using a magnet.
A) flour and sugar
B) iron filings and steel pins
C) salt and iron filings
D) salt and sand
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

9. Question 8
The diagram shows the direction of four forces A–D acting on a golf ball.
Choose the force A B C or D that shows the pull of gravity on the golf ball.
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

10. The diagram shows a person pushing a buggy.
Question 9
The diagram shows a person pushing a buggy.
When the person pushes the buggy harder...
A) nothing else happens
B) the buggy slows down
C) the buggy speeds up
D) the pull of gravity gets bigger
© Cambridge University Press 2003, 2006, K multiple-choice pre-test

11. The diagram shows a parachutist falling through the air.
Question 10
The diagram shows a parachutist falling through the air.
The parachutist falls slowly because...
A) the parachute is made of light material
B) the parachute catches the air and produces a lot of air resistance
C) the pull of the Earth is downwards
D) the wind does not blow the parachute from side to side
© Cambridge University Press 2003, 2006, K multiple-choice pre-test