Challenge 2: Earth and Space

Front

What causes the change in seasons on Earth?

Back

The tilt of the Earth on its axis as it revolves around the Sun.

Front

What is a key characteristic of the Sun?

Back

The Sun is a star made mostly of hydrogen gases.

Front

What moon phase follows a full moon after 14 days?

Back

New moon.

Front

How are the inner planets similar?

Back

They all have solid surfaces.

Front

What do all stars have in common?

Back

All stars are made of hydrogen gases.

Front

What is the Earth's rotation?

Back

The spinning of the Earth on its axis.

Front

What is the Earth's revolution?

Back

The movement of the Earth around the Sun in an orbit.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system.

Front

What is a hemisphere?

Back

Half of the Earth, divided into Northern and Southern.

Front

What is a full moon?

Back

A phase of the moon when it is fully illuminated by the Sun.