Patterns of Earth and Sky Chapter 2 Review

Front

What is a period of time that is 24 hours long and includes daytime and nighttime?

Back

day

Front

Why do the sun and the other stars appear to move across the sky?

Back

because Earth rotates on its axis.

Front

What happens to star patterns when observed over time?

Back

The star patterns appear to move across the sky.

Front

What do you call a scientist who studies stars, planets, and other objects in the universe?

Back

astronomer

Front

What causes day and night on Earth?

Back

the spinning/rotation of Earth on its axis.

Front

What is the term for the path Earth takes around the sun?

Back

revolution.

Front

What is the name of the force that keeps planets in orbit around the sun?

Back

gravity.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis; revolution is the orbit of Earth around the sun.

Front

What is the term for the imaginary line that divides Earth into the Northern and Southern Hemispheres?

Back

equator.

Front

What is the name of the pattern of stars that form a recognizable shape?

Back

constellation.