Unit 4 Part 1 Review

The amount of gravitational attraction of an object is related to its __________.

• Magnetism

• Mass

• Volume

• Composition

Tags

NGSS.MS-PS2-4

The planets orbiting the sun are an example of ______________ forces.

• Magnetic

• Gravitational

• Static

• Electric

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of the following are examples of electromagnets? (Select Multiple)

• Hard Drives

• Speakers

• Electric Motors

• Magnetic Drill Bit

Which of the following would INCREASE the strength of an electromagnet?

• Greater number of loops

• Smaller number of loops

• Decreasing the current

• Decreasing the voltage

The gravitational attraction between two objects depends on the mass of the objects and their distance apart. The gravitational attraction will be strongest between which two objects?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-4

Any object with mass has gravity.

• True

• Sometimes

• False

• Never

Which system has the greater gravitational attraction between the two objects (if any)?

• System A

• System B

• Same gravitational attraction fro System A and System B

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The farther apart two objects are, the __ their gravity.

• weaker

• stronger

• more equal

When a positively charged object is brought close to a negatively charged object, they will ________

• Attract

• Repel

• Neither

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The magnetic field of a magnet is ____________ further away from the magnet.

• Stronger

• Weaker

• Larger

• Smaller