U4L3: Earth's Place in Space

The stars appear to move because of the Earth's ________ and revolution.

• rotation

• gravity

• magnetism

• orbit

Tags

NGSS.MS-PS2-4

What causes different stars to be visible at different times of the year?

Tags

NGSS.MS-ESS1-1

What is a galaxy?

Tags

NGSS.MS-ESS1-2

How many stars does the Milky Way contain?

• More than 100 billion

• More than 200 billion

• More than 300 billion

• More than 400 billion

Is the Milky Way the largest galaxy?

• Yes

• No

How many years does it take for the Sun to make one complete trip around the center of the galaxy?

• 150 million years

• 200 million years

• 250 million years

• 300 million years

Tags

NGSS.MS-ESS1-2

The solar system is a collection of celestial bodies that orbit around which star?

• Alpha Centauri

• Betelgeuse

• The Sun

• Sirius

Tags

NGSS.MS-ESS1-2

True or False: The planets orbit in elliptical, meaning nearly circular, paths around the Sun.

• True

• False

Tags

NGSS.MS-ESS1-1

List the inner planets of our solar system.

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Earth, Mars, Jupiter, Saturn

• Venus, Earth, Mars, Jupiter

Which statement best explains why stars viewed from the Northern Hemisphere appear to revolve around Polaris?

• (1) Polaris rotates on its axis. 

• (2) Earth rotates on its axis. 

• (3) Polaris revolves around Earth. 

• (4) Earth revolves around Polaris.

Tags

NGSS.MS-ESS1-1