8th BM Review 1

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

NGSS.MS-PS2-5

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.

Which wave has a higher frequency?

• 1

• 2

• 3

Which wave has the shortest wavelength?

• 1

• 2

• 3

Which type of EM wave has the least energy?

• Radio

• Infrared

• Visible

• Gamma

This picture represents

• Reflection

• Refraction

• Transmission

• Absorption

Tags

NGSS.MS-PS4-2

For every action there is an equal and ___________ reaction

• same

• opposite

• larger

• smaller

Tags

NGSS.MS-PS2-1

What is NOT a way to increase the strength of an electromagnet?

• decrease the number of coils

• use a stronger battery

• use a stronger magnet

• increase the number of coils

High amplitude equals _____energy.

• high

• low

• medium

• regular

Tags

NGSS.MS-PS4-1

High frequency equals ______ energy.

• high

• low

• same

• medium

Tags

NGSS.MS-PS4-1