DMS 6.3 Quick Check

Front

What causes the different phases of the moon?

Back

The relative positions of the sun, Earth, and moon.

Front

What causes ocean tides on Earth?

Back

Gravitational pull of the moon and sun.

Front

What helps protect Earth from harmful solar radiation?

Back

The atmosphere and magnetic field.

Front

What causes the cycle of day and night on Earth?

Back

Earth's rotation on its axis.

Front

Which physical features characterize Earth as a planet?

Back

It is a rocky planet with oceans and ice caps.

Front

What is the role of the sun in the solar system?

Back

The sun is the central star that provides light and heat to the planets.

Front

How does Earth's atmosphere support life?

Back

It provides oxygen, protects from harmful radiation, and regulates temperature.

Front

What is the significance of Earth's magnetic field?

Back

It protects Earth from solar winds and cosmic radiation.

Front

What is the difference between rotation and revolution?

Back

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

Front

What are the main components of the solar system?

Back

The sun, planets, moons, asteroids, comets, and meteoroids.