Earth, Sun & Moon Systems Review Lesson

Earth, Sun & Moon System Review

Lunar Phases, Eclipses, and Seasons

8th Grade Science

Why do we see different phases of the Moon?

8th Grade Science

Earth, Sun & Moon Systems

Phases of the Moon

• The Moon orbits Earth and Earth orbits the Sun.

• The same side of the Moon is always visible, but it is illuminated different depending on its position around Earth relative to the Sun.

8th Grade Science

Earth, Sun & Moon Systems

What's the difference between a new and full Moon?

8th Grade Science

Earth, Sun & Moon Systems

Answer with a friend!

Phases of the Moon

Earth, Sun & Moon Systems

• Not illuminated at all

• Positioned on the same side of Earth as the Sun

New Moon

• Fully illuminated

• Positioned on the opposite side of Earth from the Sun

Full Moon

Multiple Choice

When the illuminated side of the Moon is growing, it is _________.

• Waxing

• Waning

• Crescent

• Gibbous

Multiple Choice

When the illuminated side of the Moon is larger than the dark side, the Moon is _________.

• Waxing

• Waning

• Crescent

• Gibbous

Multiple Choice

Based on the definitions of waxing and waning,

which comes right AFTER a Full Moon?

• Waxing Gibbous

• Waning Gibbous

Draw

Draw where the Moon would be positioned in order for a solar eclipse to occur.

Celestial Shadows

Earth, Sun & Moon Systems

• The wider, less dark part of the shadow

Penumbra

• The darker, smaller part of the shadow

Umbra

Draw

Draw the Moon's umbra and penumbra.

You can label the umbra as "U" and the penumbra as "P."

Draw

Draw where the Moon would be positioned in order for a lunar eclipse to occur.

Draw

Draw the Earth's umbra and penumbra.

You can label the umbra as "U" and the penumbra as "P."

Multiple Choice

Which phase of the Moon occurs during a solar eclipse?

• Full Moon

• New Moon

• Half Moon

• Crescent Moon

Multiple Choice

Which phase of the Moon occurs during a lunar eclipse?

• Full Moon

• New Moon

• Half Moon

• Crescent Moon

Multiple Choice

What causes Earth's seasons?

• Earth's distance from the Sun

• Earth's tilt towards the Sun and orbit

• How long each hemisphere has day time

• Earth's rotation

Earth's Seasons

• Caused by Earth's tilt towards the Sun.

• The hemisphere (North vs. South) that is angled towards the Sun will experience more direct sunlight.

• The hemisphere that is angled to the Sun changes as Earth orbits the Sun.

8th Grade Science

Earth, Sun & Moon Systems

Multiple Choice

What season is the Northern hemisphere experiencing when Earth is at Position 1?

• Summer

• Winter

Multiple Choice

What season is the Southern hemisphere experiencing when Earth is at Position 2?

• Summer

• Winter

Multiple Choice

What time of day is the NE and SE regions experiencing when Earth is at Position 2?

• Day

• Night

Length of Day

Earth, Sun & Moon Systems

• Time of the year when day and night are equal in duration (March 20th and September 22nd)

Equinox

• Time of the year with the longest or shortest day (June 21 and December 22)

Solstices