Science Semester Exam Review

The pull of a magnet is strongest at its:

• circuit

• poles

• static electricity

• insulator

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2. Which term means to pull together?

• repel

• attract

• radiant

• diamonds

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3. Which term means to push apart?

• repel

• attract

• refraction

• electrodes

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  Which set of bar magnets will be attracted?

• 
• 
• 

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What force gives your body weight?

• Your feet

• Your head

• Earth’s gravity

• Earth’s magnetism

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The picture shows a ball on a ramp. What will cause the ball to roll down the ramp?

• The push of magnetism

• The heat of the Sun

• The pull of gravity

• The rotation of the Earth

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The picture shows a compass. What force causes the compass needle to point to the north?

• Nuclear Force

• Gravitational Force

• Magnetic Force

• Elastic force

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A ball moves from X to Y on the floor. Which best explains the change in the ball? The ball –

• was observed

• is made of rubber

• was pushed

• is very heavy

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A pull can be used to do all of the following EXCEPT -

• open a door

• move a wagon

• lift some rocks

• boil some water

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An air rocket is launched several times and for each launch the number of pumps was recorded as well as the height reached by the rocket. If the pattern shown in the data continues, how many pumps would it take for the rocket to reach a height of 15 meters? Record your answer on the grid below.

• 15

• 20

• 25

• 30

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