Benchmark 2 Review

Particles with opposite charges ____________ and particles with same (or like) charges ____________.

• attract, repel

• repel, repel

• attract, attract

• repel, attract

Tags

NGSS.MS-PS2-3

How do you make an electromagnet stronger?

• Add a motor and/or lightbulbs
• Add more light bulbs and/or wire coils
• add more wire coils and/or a switch
• add more wire coils and/or batteries

Tags

NGSS.MS-PS2-3

The area of magnetic force around a magnet is known as its ____________.

• magnetism

• magnetic current

• magnetic field

• electric current

Tags

NGSS.3-PS2-3

Increasing the number of coils in an electromagnet will _________ the power of the magnet.

• decrease

• increase

• not affect

Tags

NGSS.MS-PS2-3

A compass needle responds to a magnetic field, because the compass needle is a

• A. generator.
• B. motor.   
• C. magnet.
• D. transformer.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The picture above is an example of what?

• Magnetic field

• Electric field

• Repulsion

• Attraction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What would happen with the magnets in the picture above?

• They would repel

• Nothing

• They would attract

• They would repel and then attract

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

At which point is potential energy greatest

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

• 1st
• 2nd
• 3rd

Tags

NGSS.MS-PS2-1

What is the formula for speed?

• distance / time

• time / distance

• direction / time

• direction / distance

Tags

NGSS.MS-PS3-1