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WorksheetsEarth Science CAST Review
Total questions: 65
Worksheet time: 58mins
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
What is the Big Bang Theory?
the origin of comets
a huge explosion that formed the universe
the asteroid belt
What is an AU?
A measure of distance from Earth to the Sun
a measure of the Milky Way Galaxy
