4.10 Rotation and Revolution

What does the force of attraction called gravity act on?

• every mass

• no masses

• nearby masses

• select masses

Answer explanation

Read the diagram and then answer the question.

Tags

NGSS.HS-PS2-4

What happens to the force of gravity between two masses if one mass is increased?

• It increases.

• It decreases.

• It stays the same

• It fluctuates.

Answer explanation

Read the diagram and answer the question!

Tags

NGSS.MS-PS2-4

What is the shape of Earth’s orbit around the sun?

• circular

• spherical

• triangular

• elliptical

Answer explanation

Read the diagram and answer the question.

Tags

NGSS.MS-ESS1-2

Planets do not revolve around the sun in perfect circles. They are more like ovals.

How do scientists describe their orbits?

• revolutionary

• rotational

• periodical

• elliptical

Answer explanation

Read the diagram and answer the question.

What does Earth take one year to do?

• complete one rotation

• complete one revolution

• complete 52 rotations

• complete 365 revolutions

Answer explanation

Watch this super short video to find out the answer!

Tags

NGSS.MS-ESS1-1

How long does it take for the moon to complete one full revolution around Earth?

• 1 day

• 29.5 days

• 365 days

• 1 year

Answer explanation

What this extremely short video to find out the answer!

Tags

NGSS.MS-ESS1-1

Which body has a period of rotation of 1 day?

• Earth

• the moon

• the sun

• Jupiter

Answer explanation

Watch this 12 second video to find the answer!