The Earth and Sun Flashcard

Front

What is the imaginary line that starts at the north pole, goes through the center of Earth and exits through the south pole?

Back

Axis

Front

What do we call the time when the part of Earth facing away from the sun is dark?

Back

Nighttime

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What causes the change of seasons on Earth?

Back

The revolution of Earth around the sun.

Front

What is the layer of the Earth that is below the crust?

Back

Mantle

Front

What is the layer of the Earth that is liquid and surrounds the inner core?

Back

Outer core

Front

What is the solid innermost layer of the Earth called?

Back

Inner core

Front

What is the term for the path that Earth takes as it moves around the sun?

Back

Orbit

Front

What is the term for the spinning of Earth on its axis?

Back

Rotation

Front

How long does it take for Earth to complete one full rotation on its axis?

Back

24 hours