Solar System Test Review

Front

How many planets are found in our solar system?

Back

8

Front

Planets that are made of mainly rock and metal are called?

Back

terrestrial

Front

The Heliocentric model of the universe says what is at the center of our solar system?

Back

Sun

Front

What planet in our solar system is farthest from the sun?

Back

Neptune

Front

Space object that is mainly made of ice and dust.

Back

comet

Front

How long does it take for the Earth to travel around the sun?

Back

365.25 days

Front

Who is credited with creating the first microscope?

Back

Galileo

Front

The sun makes up what percentage of all the matter in the universe?

Back

99%

Front

What is the furthest object in our universe, from the sun?

Back

Pluto

Front

Who is credited with discovering that the sun is the center of our universe?

Back

Copernicus