ESS 1st 6 Weeks Assessment

All stars are the same

• true

• false

Nuclear fusion converts matter into energy

• true

• false

A galaxy is a large group of stars held together by gravity

• true

• false

Astronomers use meter sticks to measure distance in space

• true

• false

Nebulas are denser clouds formed within the interstellar medium

• true

• false

What does the Big Bang theory explain?

• A. how time began

• B. how the universe began

• both A and B

• neither A nor B

Stars die.

• true

• false

Which of the following describes a galaxy

• a spiral shape of stars

• a large group of stars held together by gravity

• the Milky Way

• the rotation of many planets and stars

What is the process of nuclear fusion

• the process of carrying light

• the process of two atoms fusing

• the process of gravity and inertia keeping the universe together

• the process of fusing two stars

The matter between stars is called

• asteroid belt

• space

• interstellar medium

• Kuiper Belt