The Solar System

How long does it take Earth to complete one revolution around the Sun?

• 24 hours
• one week
• one month
• one year

Earth completes one full ___________ on its axis every 24 hours.

• rotation
• revolution
• resolution
• reservation 

Which planet is between Venus and Mars?

• Earth
• Neptune
• Mercury
• Jupiter

a pattern of stars that form an imaginary picture or design in the sky

• Orbit
• Rotate
• constellation
• Milky Way

A spiral galaxy of stars that contains our Sun

• Planisphere
• Intensity
• Star
• Milky Way

The pattern of stars in a constellation stays the same, but a planet can be seen in different locations at different times because _______________.

• Stars don't move; planets revolve and rotate
• Stars and planets revolve and rotate.
• Stars not planets move
• Planets don't move; Stars revolve and rotate.

The sun and all of the bodies that revolve around it is the __________

• Planet
• Comet
• Solar System
• Asteroid

Large bodies that revolve around the sun are ________

• Planets
• Comets
• Solar Systems
• Asteroids

A giant sphere of glowing gases is a ___________

• Galaxy
• Light-year
• Star
• Magnitude

An enormous system of gas, dust, and stars held together by gravity is called a _________.

• Galaxy
• Light-year
• Star
• Magnitude