Earth Space Review

Which is the largest?

• Star
• Universe
• Planet
• Solar System

How many stars does the universe contain?

• billions
• fifteen
• hundreds
• millions

What is the unit used to measure distance in space?

• miles
• yards
• meter
• light year

What is the name of our galaxy?

• The Milky Way
• The Milk Shake
• The Interstellar Coast
• The Outer Space Place

What is an Astronomical Unit (AU)?

• the distance from the Earth to the Sun
• The distance from the Sun to Pluto
• The length of our entire universe
• The distance from my house to Carver Middle School

A star is composed of extremely hot gas.

• False
• True

How long does it take the Earth to rotate around the sun?

• 1 year
• 1 month
• 1 day
• 1 hour

How many hours does it take for the Earth to make a full rotation around its axis?

• 12
• 8
• 24
• 100

Which planet is closest to the sun?

• Mercury
• Saturn
• Venus
• Jupiter

Gravity plays a key role in the formation of stars, galaxies, and planets.

• True
• False