Physical Science Review

A person would weigh less on on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity
• Moon has less mass, and therefore more gravity
• Moon has more mass, and therefore less gravity
• Moon has less mass and therefore less gravity

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Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

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As mass increases, what happens to gravitational force?

• increases
• decreases
• stays the same
• i don't know

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• A

• B

• C

• D

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Which of the following will not change in different gravitational fields?

• weight
• force
• mass
• pounds

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Why a ball falls to the ground?

• Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground. 
• Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground. 

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Why does a compass needle point north?

• Because it is being attracted to the Magnetic South Pole

• Because north is up

• Because it is being attracted to the Magnetic North Pole

• Because north is down

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The picture is an example of an:

• Electric circuit
• Electromagnet
• Electric nail
• Electric power cell

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The entire region surrounding a magnet is known as the:

• Magnetic Domain

• Lodestone

• A Compass

• Magnetic Field

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What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

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