Earth and the Universe

Earth and the Universe

Please pay attention as we review for out Unit Test this week.

Earth's Day

• The Earth takes 24 hours or 1 day to rotate on its axis.

• This rotation causes our day and night

Multiple Choice

Which of these cycles takes 24 hours?

• the Moon revolving around the Earth

• the Moon rotating on its axis

• Earth revolving around the Sun

• Earth rotating on its axis

Multiple Choice

Jill and Jack were playing outside at sunset. They had to go down the hill and inside their homes when it became dark. Which best explains why the day became night?

• The Sun stops producing light each night.

• Part of Earth faces away from the Sun at night.

• Earth moves far away from the Sun each night.

• The Moon blocks light from the Sun at night.

Multiple Choice

How often does the Sun rise in the East and Set in the West?

• Weekly

• monthly

• daily

• hourly

Multiple Choice

Which orbit happens the most often in the solar system?

• the Sun orbiting the Moon

• the Sun orbiting the Earth

• the Moon orbiting the Earth

• the Moon orbiting the Sun

Earths Revolution

The Earth revolves around the Sun.

This revolution is called an orbit. It is a path around the sun.

This revolution lasts 365 days or 1 year.

This also causes our 4 different seasons.

Multiple Choice

How long does it take Earth to revolve around the Sun?

• 1 month

• 365 days

• 24 hours

• 4 days

The Moon

• The Moon does not have it's own light.

• The Moon looks bright because of the reflection of the sun.

Multiple Choice

Why does it look like the moon is lit up?

• The moon is moving away from the shadow of Earth.

• Light produced by the moon is being reflected by Earth.

• The moon is moving into the shadow of Earth.

• Light from the sun is being reflected on part of the moon.

The Moon

• The Moon orbits around the Earth. It is also rotating ( This is why the Earth looks upside down some times.)

• It takes the Moon about 1 month to orbit around the Earth.

• The moon is able to orbit around Earth because it is smaller than Earth. The Earth's gravity is able to move it.

• The moons orbit causes the Moon Phases.

Multiple Choice

Which statement explains the changes in the moon's appearance throughout the month?

• The moon is being covered up by Earth’s shadow.

• The moon is getting farther away from Earth.

• The moon is getting closer to Earth.

• The moon is orbiting around Earth.

Multiple Choice

If you saw a first quarter moon outside. What would phase would you see the next week?

• a new moon, because the side of the moon facing Earth would reflect the sun’s light

• a full moon, because the side of the moon facing Earth would not receive any of the sun’s light

• a full moon, because the side of the moon facing Earth would reflect the sun’s light

• a new moon, because the side of the moon facing Earth would not receive any of the sun’s light

Multiple Choice

How does the moon move in relation to Earth?

• Earth rotates as it revolves around the moon.

• The moon rotates as it revolves around Earth.

• The moon rotates without revolving around Earth.

• The moon revolves around Earth without rotating.

Waxing Moon

• BRIGHT ON THE RIGHT side of the moon

• The moon starts as a new moon and gets brighter throughout the phases.

Waning Moon

• shadow on the right

• The moon starts as a full moon and gets darker during the phases.

Multiple Choice

Name the Moon phase

• waxing crescent

• waning crescent

Multiple Choice

What is the moon phases?

• waxing gibbous

• waning gibbous

Multiple Choice

What is the moon phase?

• First Quarter

• Last Quarter