Gravity, Magnets, and Force Fields

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 the distance between 2 objects increases, what happens to gravitational force?

• It increases.
• It decreases.
• It stays the same.
• Only Mr. Silvio knows what will happen.

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As mass increases, what happens to the gravitational force?

• It increases.
• It decreases.
• It stays the same.
• It acts as a 3rd degree derivative function.

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NGSS.MS-PS2-4

What happens to the field strength as the distance between two charged objects decreases?

• the strength stays the same

• the strength increases

• the strength decreases

• the strength fluctuates between positive and negative

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What happens when two north poles of a magnet are placed together?

• they repel
• they attract
• they cancel each other out
• the strength of the magnet is doubled

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The strongest part of a magnet is...

• the bars .

• the force field.

• the poles.

• the middle.

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Why are paper clips attracted to magnets?

• They contain silver.
• They contain aluminum
• They contain tin.
• They contain iron. 

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Magnetic force between two magnets gets weaker the more ________________ between them.

• distance
• attraction
• metal
• lightsabers

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Select the diagram with the weakest magnetic field

• 
• 
• 
• all of these have the same magnetic field strength

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NGSS.MS-PS2-3

Which of these metals is NOT attracted to a magnet?

• Aluminum
• Cobalt
• Iron
• Nickel

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