6th Grade Astronomy and Space Science

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.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

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.

Tags

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. ______

Tags

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.

Tags

NGSS.MS-ESS1-1

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

• highlands.
• seas.
• craters.
• maria.

Tags

NGSS.MS-ESS1-1

Scientists think the moon was formed when ______ .

• a large object struck Earth, and ejected material from the collision combined.
• gravitational forces attracted a moon formed elsewhere in space.
• meteoroids collected and solidified within the pull of Earth’s gravity.
• gases from Earth escaped from the atmosphere and condensed in space.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

An equinox occurs when ______ .

• neither end of Earth’s axis is tilted toward or away from the 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