Sun, Earth, and Moon

Front

What is gravity?

Back

A force of attraction between objects.

Front

Objects with greater mass have greater gravity. True or False?

Back

True.

Front

How long does it take for the Earth to spin on its axis?

Back

24 hours.

Front

Why do less massive objects revolve around more massive objects in space?

Back

Because of gravity.

Front

What is a celestial body?

Back

Any natural body outside of Earth’s atmosphere including moons, planets, stars, nebulae, galaxies, etc.

Front

What is the relationship between the Sun, Earth, and Moon?

Back

The Earth orbits the Sun, and the Moon orbits the Earth.

Front

What causes day and night on Earth?

Back

The rotation of the Earth on its axis.

Front

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

Back

An ellipse.

Front

What is a solar eclipse?

Back

When the Moon passes between the Earth and the Sun, blocking the Sun's light.

Front

What is a lunar eclipse?

Back

When the Earth passes between the Sun and the Moon, blocking the Sun's light from reaching the Moon.