Universe Quiz

Earth rotates on it's axis

• True

• False

Earth makes one complete rotation in

• 20 hrs.

• 21hrs

• 24hrs

Earth revolves around the sun once every

• 300 days

• 345 days

• 355 days

• 365 days

Does the Earth rotate and revolve at the same time?

• yes

• no

A geocentric model of the solar system places which of the following in the center of our galaxy

• Sun

• moon

• earth

A heliocentric model of the solar system places which of the following at the center of our galaxy

• Sun

• moon

• earth

The inner planets are also referred to as the terrestrial planets. Which term best describes terrestrial?

• gaseous

• liquid

• rock like

All planets travel in an _______________ orbit.

• circular

• round

• oval

Which planet is surrounded by a thick layer of CO2?

• Mercury

• Venus

• Earth

• Mars

Which planet is considered the hottest and coldest planet at the same time?

• Mercury

• Venus

• Earth

• Mars