Sammy looks up at the night sky a notices a constellation directly overhead. She goes inside and comes out a few hours later to observe the sky again. This time, Sammy notices that the constellation is no longer overhead.

Which of the following statements best explains why the constellation appears to be in a different location?

• The Earth rotates on its axis.

• The Earth revolves around the Sun.

• The stars are revolving around the Earth.

• The stars are rotating around the Sun.

Tags

NGSS.MS-ESS1-1

In October, students saw the pattern of stars in the sky called Orion. In July, they could not see Orion.

Which of the following best explains why Orion was no longer visible in July?

• The stars rotated around the Sun.

• The stars moved away from Earth.

• The Earth was tilted on its axis.

• The Earth revolved around the Sun.

Tags

NGSS.MS-ESS1-1

Florence goes outside her house at 7:00 pm and looks at the Little Dipper star pattern in the night time sky.

Florence goes back outside at 10:00 pm and looks for the Little Dipper. What does Florence see?

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Tags

NGSS.MS-ESS1-1

Within one month, the moon’s surface changes as seen from Earth. The entire surface of the moon may be lit, or only a small part may be lit. What causes these changes?

• the moon’s size

• the moon’s shape

• the moon’s revolution

• the moon’s distance from Earth

Tags

NGSS.MS-ESS1-1

The moon looks differently over the course of about a month. These differences are called phases. One phase is called a full moon. Look closely at the table below. What can you conclude about a full moon?

• A full moon only occurs during the summer months.

• A full moon always occurs after the first quarter moon.

• A full moon always occurs on the 5^th day of the month.

• A full moon always occurs before the first quarter moon.

Tags

NGSS.MS-ESS1-1

The moon orbits the Earth. How long does the moon take to revolve once?

• about 24 hours

• about 28 days

• about 6 months

• about 365 days

Tags

NGSS.MS-ESS1-1

The picture below shows the phases of the moon over the time period of one month. What will the next phase be?

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Tags

NGSS.MS-ESS1-1

Earth is constantly moving in space. What will happen between noon today and noon tomorrow?

• Earth will complete 1 rotation

• Earth will complete 7 rotations.

• Earth will complete about 24 rotations.

• Earth will complete about 365 rotations.

Tags

NGSS.MS-ESS1-1

Mia is looking through an Earth and Space magazine and finds an interesting picture of the Earth, moon, and sun. She is curious about how long it will take the Earth to travel between the two points shown in the illustration. How long will it take for the Earth to travel from Point A to Point B?

• one week

• one month

• six months

• twelve months

Tags

NGSS.MS-ESS1-1

A person living on Earth sees daytime and nighttime in one day. Which of these is responsible for changes from daytime to nighttime on Earth?

• Earth’s tilt

• moon orbiting Earth

• Earth orbiting the sun

• Earth rotating about its axis

Tags

NGSS.MS-ESS1-1