Sun, Stars and Earth

The sun is a yellow, ______________ size star.

• small
• medium
• large
• extra large

A star is ball of ____________ that gives off light.

• cool gas
• hot gas
• cold rock
• hot rock

Which is the largest?

• galaxy
• solar system
• universe
• planet

The stars in a constellation are close together.

• true
• false

A light year is

• the distance light travels in a year.
• the amount of light given off by a
  star.
• Buzz'z last name
• the amount of time it would take someone to reach that star.

A star's __________ depends on it's size, color, temperature, and distance.

• makeup
• name
• brightness
• age

Our solar system consists of the Sun and the 

• stars.
• planets.
• galaxy.

_______________ can be used for navigation, helping sailors to find their way.

• A constellation
• The Milky Way Galaxy
• The planets

It take the Earth ___________ to revolve around the sun?

• 365 1/4 days
• 24 hours
• 240 days
• 12 hours

The earth _______________ on its axis every 24 hours.

• rotates
• revolves