Earth Sun and Moon

How does light travel?

• Light travels in straight lines only.

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

• Light travels in unpredictable ways.

• It depends; if the light is bright enough it can change direction.

Tags

NGSS.MS-PS4-2

Shira looked up one night 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

The diagram above shows Earth and the Moon from above (top view). Why is there a dotted circle drawn in this diagram?

• To show that the Moon is always moving around Earth in a circle.

• To show the locations of satellites that are in Earth’s atmosphere.

• To show the way that the Moon can move back and forth across Earth’s sky.

• To show the locations where the sun’s light can reach the Moon.

Tags

NGSS.MS-ESS1-1

a moon phase that looks like a full circle from Earth

• gibbous moon

• quarter moon

• new moon

• full moon

Tags

NGSS.MS-ESS1-1

the nearly circular path a smaller object (like the Moon) travels around a larger object (like Earth)

• orbit

• scale

• model

• year

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

a rocky sphere that travels around a planet

• moon

• quarter moon

• new moon

• full moon

Tags

NGSS.MS-ESS1-1

the shape of the illuminated part of the Moon as it appears from Earth

• gibbous moon

• terminator

• moon phase

• illuminate

Tags

NGSS.MS-ESS1-1

a moon phase that looks like half a circle from Earth

• crescent moon

• gibbous moon

• full moon

• quarter moon

Tags

NGSS.MS-ESS1-1

a moon phase that looks like less than a half circle from Earth

• crescent moon

• gibbous moon

• full moon

• quarter moon

Tags

NGSS.MS-ESS1-1