6th grade astronomy

Which two of these astronomers believed the EARTH was center of universe?

• Galileo

• Copernicus

• Aristotle

• Ptolemy

Which 2 astronomers believed the SUN was the center of the universe?

• Ptolemy

• Galileo

• Aristotle

• Copernicus

What is a large space rock that orbits the sun?

• black hole

• comet

• asteroid

• neutron star

What is most responsible for the Earth's seasons?

• Earth's tilt

• the equator

• Earth's rotation

• the moon's gravity

What is a mountain size chunk of ice and dust that orbits the sun?

• asteroid

• pulsar

• satellite

• comet

The 4 planets closest to the sun are called.............

• gas giants

• terrestrial

The correct order of the first 4 planets from closest to the sun to farthest is.....

• Mars, Earth, Venus, Mercury

• Mercury, Mars, Earth, Venus

• Mercury, Venus, Earth, Neptune

• Mercury, Venus, Earth, Mars

The 4 outer planets are also called..........

• gas giants

• terrestrial

What is the attractive force between 2 objects?

• friction

• acceleration

• salinity

• gravity

What does the Earth's magnetic field do for us?

• protects us from the sun

• fights off aliens

• creates black holes

• starts solar eclipses