Earth, Sun, and Moon Systems Flashcard

Front

What is the source of heat and light in our Solar System?

Back

The sun.

Front

What causes the different angles of the moon's lit surface as it revolves around Earth?

Back

Moon phases.

Front

What is an Axis?

Back

The imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth’s rotation.

Front

What is illuminating the Moon?

Back

Sunlight.

Front

What are moon phases?

Back

The different angles of the moon's lit surface as it revolves around Earth.

Front

What is a solar eclipse?

Back

An event where the moon passes between the Earth and the sun, blocking the sun's light.

Front

What is a lunar eclipse?

Back

An event where the Earth passes between the sun and the moon, causing the Earth's shadow to cover the moon.

Front

What is the role of gravity in the Earth-Moon system?

Back

Gravity keeps the moon in orbit around the Earth.

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

How long does it take for the Earth to complete one rotation?

Back

Approximately 24 hours.