Fall Semester Review

Front

What are scientific theories?

Back

Ideas about how the world works.

Front

What are the days called when summer and winter begin?

Back

Solstices.

Front

What is the motion of a body that travels around another body in space called?

Back

Orbit or revolution.

Front

What is the spinning of Earth on its axis called?

Back

Rotation.

Front

What does a solar system consist of?

Back

At least one star and all the objects that orbit it.

Front

What is the term for the longest day of the year?

Back

Summer solstice.

Front

What is the term for the shortest day of the year?

Back

Winter solstice.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis, while revolution is the movement of one object around another.

Front

What is an equinox?

Back

A day when day and night are of equal length.

Front

What is the center of our solar system?

Back

The Sun.