6th Grade Astronomy

Copernicus proved his theory that the sun is the center of the solar system by using Galileo's 

• planetesimal
• microscope
• telescope
• telephone

The asteroid belt is located

• between north pole and south pole
• between Earth and Mars
• between Saturn and Uranus
• between Mars and Jupiter

All objects are attracted to each other by the force of

• gravity
• mass
• attraction
• inertia

Maria are:

• seas on the moon
• storms on the moon
• highlands on the moon
• regions formed from lava flow

A star's color tells about its

• constellation
• temperature
• size
• composition

The only phase of the moon we cannot see is the

• full moon
• first quarter
• new moon
• third quarter

Which planet has liquid water?

• Earth
• Jupiter
• Mars
• Venus

What is the name of a scientist that studies the solar system?

• astrologer
• astronomer
• astrology
• meteorologist

What causes day and night?

• rotation of the moon
• rotation of the sun
• rotation of the Earth
• tides

One orbit around the sun is called

• satellite
• rotation
• revolution
• day and night