8th Grade Science Review-Part 1

Front

What is the Universe?

Back

Space and all the matter and energy in it.

Front

What color are the hottest stars?

Back

Blue

Front

What is an independent variable?

Back

The part of the investigation being changed.

Front

What color are the coolest stars?

Back

Red

Front

What is at the middle of a Heliocentric system?

Back

Sun

Front

What is a Solar System?

Back

A collection of planets and other celestial bodies orbiting a star.

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity.

Front

What is a planet?

Back

A celestial body that orbits a star and is large enough to be rounded by its own gravity.

Front

What is gravity?

Back

A force that attracts two bodies toward each other.

Front

What is a comet?

Back

A small icy body that, when passing close to the sun, heats up and begins to release gases.