Earth Science Unit One Test Review

The closest point to the Sun in a planet's orbit is called_____.

• aphelion
• helion
• perihelion
• solstice

The furthest point to the Sun in a planet's orbit is called_____.

• perihelion
• aphelion
• solstice
• helion

Precession is the wobbling of the Earth's axis as it turns in space.

• True
• False

Which letter on the diagram represents the Earth's position on the autumnal equinox?

• A
• B
• C
• D

Which letter on the diagram represents the Earth's position on the summer solstice?

• A
• B
• C
• D

Which letter on the diagram represents the Earth's position on the winter solstice?

• A
• B
• C
• D

To go around another object

• rotation
• revolution

To spin on its own axis

• rotation
• revolution

When less than half of the moon is glowing

• New moon

• Full moon

• Crescent

• Gibbous

When more than half of the moon is glowing

• Gibbous

• Crescent

• Quarter