Unit 7 Vocabulary Test

Planets, moons, and stars exist in the ________.

• navigate

• debris

• gravity

• universe

• observatory

A ______ is also called a shooting star.

• navigate

• debris

• gravity

• universe

• meteor

The stars helped explorers ________ their path.

• navigate

• debris

• gravity

• universe

• meteor

Fragments of asteroids are examples of space _______.

• navigate

• debris

• gravity

• universe

• meteor

Our school took a field trip to the space _________.

• navigate

• debris

• observatory

• universe

• meteor

All things stay on Earth's surface because of _________.

• navigate

• gravity

• observatory

• universe

• meteor

Which activity could occur where the temperature is frigid?

• Snow skiing

• Sunbathing by a pool

• Building a sandcastle
• Swimming in the ocean

Hydrogen is the most common ______ in the universe.

• solid

• liquid

• gas

• plasma

An astronomer studies all of the following EXCEPT what?

• stars

• planets

• animals

• outer space

To fuse means to...

• join together

• break apart

• tear down

• disconnect