Earth’s rotation takes about

• 365 days.

• 6 months.

• 24 hours.

• 1 month.

One complete revolution of Earth around the sun takes about one

• rotation.

• season

• year.

• eclipse.

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NGSS.MS-ESS1-1

Earth has seasons because

• it rotates on its axis

• the distance between Earth and the sun changes

• its axis is tilted as it moves around the sun.

• the temperature of the sun changes.

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NGSS.MS-ESS1-1

When the north end of Earth’s axis is tilted toward the sun, North America will experience

• more indirect rays and shorter days

• more indirect rays and longer days.

• more direct rays and shorter days

• more direct rays and longer days.

Tags

NGSS.MS-ESS1-1

The phase of the moon you see depends on

• where you are on Earth’s surface.

• how much of the sunlit side of the moon faces Earth

• how much of the moon’s surface is lit by the sun.

• whether or not an eclipse is occurring.

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NGSS.MS-ESS1-1

For a solar eclipse to occur

• the sun must be directly between Earth and the moon

• the moon must be directly between Earth and the sun.

• the moon must be directly behind Earth.

• Earth must be directly between the sun and the moon

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NGSS.MS-ESS1-1

Galileo saw that much of the moon’s surface is covered with round pits called

• highlands

• seas

• craters

• maria

Scientists think the moon was formed when

• object struck Earth; ejected material from collision

• gravitational forces attracted a moon from elsewhere

• meteoroids collected and solidified within Earth’s gravity.

• gases from Earth escaped to condense in space

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NGSS.HS-ESS1-6

An equinox occurs when

• Earth’s axis is neither tilted toward nor away from sun

• the north end of Earth’s axis is tilted away from the sun.

• the north end of Earth’s axis is tilted toward the sun.

• Earth’s axis is parallel to the sun’s rays

Tags

NGSS.MS-ESS1-1

The moon appears to be cut in half during

• new moon and full moon phase.

• new moon and first quarter phase

• first quarter and third quarter phase

• full moon and third quarter phase.

Tags

NGSS.MS-ESS1-1