Earth Science CAST Review

Which planets is one of the inner planets?

• Jupiter

• Saturn

• Mercury

• Neptune

How many stars are in our solar system?

• billions

• hundreds

• two

• one

On which planet can you find water as a solid, liquid and a gas?

• Earth

• Mars

• Venus

Where is the asteroid belt located?

• Between Earth and Mars

• Between Mars and Jupiter

• Between Mercury and Venus

What is the basis from which the solar system formed?

• Elliptical irregularity

• A giant cloud of dust and gas

• orbital rotation

• the greenhouse effect

What are the the 3 types of galaxies?

• Orbital, heliocentric, geocentric

• Irregular, Spiral, Elliptical

Which planet is reddish yellow due to iron oxide on its surface?

• Mercury

• Venus

• Saturn

• Mars

What is a light year?

• The distance light travels in a year

• The distance light travels in a second

What are meteors?

• Small pieces of rock that have entered earth's atmosphere

• small pieces of rock that hit Earth's surface

• Small pieces of rock in outer space

The Milky Way is a _____________________ galaxy.

• Elliptical

• Spiral

• Nebula

• Irregular