Wonders 3.3: Reading Comprehension: Earth

Front

What is Earth?

Back

Earth is a rocky planet that shares space with many other planets in the solar system.

Front

How long does it take for Earth to rotate once?

Back

It takes one day for Earth to rotate once around its axis.

Front

What are Mercury, Venus, Earth, and Mars made of?

Back

They are made of rock.

Front

What features can be found on the Moon?

Back

The Moon has mountains, valleys, and craters.

Front

Why does the Moon seem to change shape?

Back

The Moon seems to change shape because as it travels around Earth, sunlight hits it from different directions.

Front

What is the solar system?

Back

The solar system is a collection of planets, including Earth, that orbit around the Sun.

Front

What is rotation?

Back

Rotation is the spinning of a planet on its axis.

Front

What is a planet?

Back

A planet is a large celestial body that orbits a star, like the Sun.

Front

What is the difference between rocky planets and gas giants?

Back

Rocky planets are solid and made of rock, while gas giants are mostly made of gases.

Front

What is the significance of the Sun in the solar system?

Back

The Sun is at the center of the solar system and provides light and heat to the planets.