Phase Out
Twilight
Moon
100

One of the different apparent shapes of the moon as seen from Earth.

Phase

100

The partial or total blocking of one object in space by another.

Eclipse

100

The________ is the lunar phase when the Moon appears fully illuminated from Earth's perspective.

Full Moon

200

The moon rotates once on its axis at the same time that it takes to revolve once around the Earth (True or false)

True

200

When the moon passes directly between the sun and Earth and blocks the sun's light, it is called a

 solar eclipse

200

In astronomy, the _______ is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the naked eye, except when it is silhouetted against the Sun during a solar eclipse.

New Moon

300

The moon revolves around Earth and also rotates on its own axis. True or False

True

300

When Earth is directly between the moon and sun, it is called a

When Earth is directly between the moon and sun, it is called a lunar eclipse

300

The_________ starts as the Moon becomes visible again after the New Moon conjunction, when the Sun and Earth are on opposite sides of the Moon, making it impossible to see the Moon from Earth. During this phase, the lit-up part of the Moon increases from 0.1% to 49.9%.

Waxing Crescent Moon

400

How many phase of the moon are there?

8

400

The darkest part of a shadow

Umbra

400

The ______  is also called a Half Moon because the Sun's rays illuminate exactly 50% of the Moon's surface. Half of the Moon's surface is always illuminated by direct sunlight, except during lunar eclipses when Earth casts its shadow on the Moon.

Third Quarter Moon

500

Karen notices that the moon changes shape slightly each night, and by the end of the month, she has recorded a variety of shapes. What are the different shapes of the moon called?

Phase

500

The part of a shadow surrounding the darkest part.



Penumbra

500

The ___________, is the third phase in the cycle of phases. This Moon phase occurs once a month, rising around 12 PM, and setting around 12 AM, almost instantaneously becoming a Waxing Crescent. The reason this phase is called the _________ is that the Moon has completed 1/4 of its orbit around the Earth.

First Quarter

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