Fast and Curious: Unit Five (The Earth-Moon-Sun System)

Front

What is a Solstice?

Back

The time when the sun is at its greatest distance from the celestial equator.

Front

What is the Revolution of the Earth?

Back

The Earth's orbit around the Sun.

Front

What is a Penumbra?

Back

The partially shaded outer region of a shadow.

Front

What is Gravity?

Back

The force that attracts two bodies towards each other.

Front

What is a Year?

Back

The time taken for the Earth to orbit the Sun, approximately 365.25 days.

Front

What is the definition of Equinox?

Back

The time when day and night are of equal length.

Front

What is the Earth's Rotation?

Back

The spinning of the Earth on its axis, which takes approximately 24 hours.

Front

What causes the phases of the Moon?

Back

The changing positions of the Moon, Earth, and Sun relative to each other.

Front

What is a Lunar Eclipse?

Back

An event that occurs when the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

Front

What is a Solar Eclipse?

Back

An event that occurs when the Moon passes between the Sun and the Earth, blocking sunlight from reaching the Earth.