Earth Moon Sun

How does light travel?

• Light travels in unpredictable ways.

• Light travels like a river, wherever there is an open path.

• Light travels in straight lines only.

• It depends, if the light is bright enough it can change directions.

If Keira looked up and saw a full moon. How long will it be before she can see a full moon again?

• About one week.

• About one month.

• There is no way to tell because the Moon's pattern is always changing.

• It could be two weeks or a month, depending on what time of year it is.

Tags

NGSS.MS-ESS1-1

Which of these things is true about the Moon?

• The Moon is always moving around Earth in a circle.

• The Moon is always in the same position in Earth's sky.

• The Moon is always moving in many changing patterns around Earth.

• The Moon is always moving back and forth across Earth's sky.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Michael looked up and saw a crescent moon. If Michael looks up in a month, what will he see?

• Quarter moon

• Crescent or quarter depending on time of year.

• There is no way to tell because the Moon's pattern is always changing.

• Crescent moon

Tags

NGSS.MS-ESS1-1

Why would a diagram show that it's brighter on the left half of the Moon?

• The Moon has lighter-colored rocks and some darker-colored rocks. The lighter-colored rocks are on the left side.

• The left side is facing the sun and is lit by the sun, and the other half is dark.

• As the Moon gets closer to the sun more of it is lit by the sun.

• There is a shadow from Earth falling on half of the Moon.

Tags

NGSS.MS-ESS1-1

Why does the light part of the Moon appear to grow?

• The Moon moves by rotating and revolving.

• The Moon moved closer to the sun.

• The Moon rotated so that more of the light-colored rock on the Moon's surface faced Earth.

• Earth's shadow moved and was blocking less of the Moon.

Tags

NGSS.MS-ESS1-1

Could half of the Moon that faces Earth ever be completely dark?

• Yes

• No

Tags

NGSS.MS-ESS1-1

Half of the Moon is always illuminated and the other half is dark when receiving sunlight. (Not including lunar eclipses)

• True

• False

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NGSS.MS-ESS1-1

Which way does the Moon move?

• The Moon moves straight up and down.

• The Moon doesn't move.

• The Moon is always moving around Earth in a circle.

• The Moon moves back and forth across Earth's sky.

Tags

NGSS.MS-ESS1-1

What causes a lunar eclipse?

• When the Moon moves directly in front of the Sun in a straight line.

• When the Moon moves directly behind the Earth into its shadow in a straight line.

• When the Earth moves directly behind the Moon into its shadow in a straight line.

• When the Sun moves directly behind the Moon into its shadow in a straight line.

Tags

NGSS.MS-ESS1-1