Unit 2 Test: Sun-Moon and Earth System

The spinning of an object on its axis is called _?_.

• orbit
• rotation
• revolution
• tide

What are the reasons for the seasons?

• Earth's tilt and rotation.
• Earth's rotation and revolution.
• Earth's tilt and revolution.
• Earth's tilt and resolution

What causes the phases of the Moon to change over the course of a month?

• The moon's orbit (revolution)
• The moon's spin (rotation)
• The earth's orbit (revolution)
• The earth's spin (rotation)

Name this phase of the moon.

• waning crescent
• waxing crescent
• waning gibbous
• waxing gibbous

Approximately how long does it take from new moon to the next new moon?

• 24 hourd

• 365 days

• 12 days

• 29 days

Sun appears to rise in the__________and set in the ________.

• West, East

• East, East

• East, West

• West, West

When the visible (lit) portion of the moon is increasing, the moon is:

• waning
• full
• waxing
• new

Why do we always see the same side of the moon from Earth?

• because the phases change
• because it rotates and revolves at the same rate
• because half of the moon always receives sunlight
• The moon changes positions

Define Gibbous

• Less than half of moon visible
• More than half of moon visible
• All of moon visible
• None of moon visible

Define Full Moon

• None of moon is visible
• Half moon phase is visible
• Complete moon face is visible
• Less Than half of moon is visible