Earth, Moon and Solar System Unit ReTest

Front

What causes gravity?

Back

Gravity may be caused by the curvature of space.

Front

Why does the Earth experience seasons?

Back

The Earth has seasons because it is tilted on its axis.

Front

How does the moon affect tides on Earth?

Back

The moon's gravitational pull causes the ocean levels to rise and fall twice daily.

Front

Why do we only see one side of the moon?

Back

We only see one side of the moon because Earth's gravity keeps the moon from spinning too fast.

Front

Which planet has the shortest day?

Back

Jupiter has the shortest day.

Front

What is the shape of Earth's orbit around the sun?

Back

Earth's orbit is an ellipse.

Front

What is the main reason for the phases of the moon?

Back

The phases of the moon are caused by its position relative to the Earth and the sun.

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its axis, while revolution is when it orbits around another object.

Front

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

Back

The sun is the central star that provides light and heat, influencing the orbits of planets.

Front

How does the tilt of the Earth affect climate?

Back

The tilt of the Earth affects climate by changing the angle of sunlight received at different times of the year.