Astronomy CIA Study Guide

According to the _______________ theory, Earth is at the center of the universe.

• Heliocentric

• Geocentric

• Big Bang

• Collision

Which model of the Universe is more accurate?

• Geocentric

• Heliocentric

Which planet is also known as Earth’s twin (sister) planet?

• Jupiter

• Mars

• Neptune

• Venus

A________________ is a large rock floating through space. The size of these objects can range from a boulder to many miles in diameter.

• asteroid

• meteorite

• comet

• meteor

Tags

NGSS.MS-ESS1-3

Place the following objects in order from smallest to largest:

Planet Universe Solar System Galaxy star asteroid

• Planet Universe Solar System Galaxy star asteroid

• Universe Solar System Galaxy star asteroid Planet

• Universe galaxy solar system star planet asteroid

• asteroid planet star solar system galaxy universe

Tags

NGSS.MS-ESS1-3

Gas has a HIGHER or LOWER density than

solid objects.

• higher

• lower

Which of the following planets are terrestrial planets with rocky, solid surfaces?

• Earth

• Mars

• Venus

• All of the above

The __________ Theory states that the Universe originated from a single point (singularity) which rapidly expanded.

• Collision

• Heliocnetric

• Big Bang

• Geocentric

Tags

NGSS.HS-ESS1-2

Our solar system is located on the outer arm of which spiral galaxy?

• Andromeda

• Orion’s Arm

• The Milky Way

• The Large Magellanic Cloud

A “dirty snowball” also known as a comet is made of

• mostly rock and metal

• mostly ice and dust

• liquid water

• liquid nitrogen

Tags

NGSS.MS-PS1-1