8th Science TN Ready Review

If you double the mass of an object with the same force applied on it, the acceleration will

• double

• cut in half

• the same

• zero

Tags

NGSS.MS-PS2-2

What effect will the south pole of one magnet have on the south pole of another magnet?

• Repulsive
• Attractive
• Combative
• No effect

Tags

NGSS.MS-PS2-3

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This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.
• Use a smaller battery.
• Reverse the poles of the magnet.
• Remove all the coils and the nail.

Tags

NGSS.MS-ETS1-1

In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.

• wire, iron, electric
• electric, wire, iron
• iron, electric, wire
• excited, hair, apple

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NGSS.MS-PS2-3

An astronaut throws a baseball in space and it continues going. This applies to which of Newton's laws?

• 1st

• 2nd

• 3rd

• 4th

If you double the amount of force exerted on an object, what is going to happen to the acceleration?

• It will increase.

• It will decrease.

• It will remain the same

Tags

NGSS.MS-PS2-2

Do the birds shown have genetic variation? Explain.

• Yes, they all look different.

• Yes, they all look the same.

• No, they all look different.

• No, they all look the same

Tags

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NGSS.MS-LS4-4

Which wave has a higher frequency?

• 1

• 2

• 3

Tags

NGSS.MS-PS4-1

Which wave has the shortest wavelength?

• 1

• 2

• 3

Which type of EM wave has the least energy?

• Radio

• Infrared

• Visible

• Gamma

Tags

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