Phases, Eclipses, and tides

What is the correct name for the phase labeled G in the moon phases diagram?

• Last Quarter

• Third Quarter

• Full Moon

• New Moon

How long does it take to go from phase I to phase E in the moon phases?

• 1 week

• 2 weeks

• 3 days

• 1 month

Which two phases are considered gibbous moons?

• B and H

• D and F

• C and G

• E and I

What are the phases shown in B and H called?

• Gibbous Moons

• Quarter Moons

• Crescent Moons

• Full Moons

What is inertia?

• The tendency of an object to change direction

• The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place

• The force that pulls objects toward Earth

• The process of the moon changing phases

What does the phase of the moon you see from Earth depend on?

• The distance between the Earth and the Sun

• How much of the sunlit side of the moon faces Earth

• The speed of the moon’s rotation

• The time of year

Explain one difference between a lunar eclipse and a solar eclipse.

• A lunar eclipse happens when the moon passes between the Earth and the Sun, while a solar eclipse happens when the Earth passes between the Sun and the Moon.

• A lunar eclipse happens when the Earth passes between the Sun and the Moon, while a solar eclipse happens when the Moon passes between the Sun and the Earth.

• Both eclipses happen at the same time.

• A lunar eclipse only happens during a new moon.

What does the strength of the force of gravity depend on?

• The color of the objects and their speed

• The masses of the objects and the distance between them

• The temperature and size of the objects

• The shape and volume of the objects

What causes day and night on Earth?

• The moon’s orbit around Earth

• Earth’s rotation on its axis

• The sun’s movement around Earth

• Earth’s revolution around the sun

Why does Earth have seasons?

• Because the sun changes size

• Because Earth’s axis is tilted as it moves around the sun

• Because the moon blocks sunlight

• Because Earth’s orbit is a perfect circle