Earth's Movement

Pegasus is a group of stars that is visible in the northern hemisphere from the end of the summer through fall. Which of the following best accounts for why this constellation is not visible throughout the entire year?

• Earth’s rotation on its axis

• The Moon’s orbit around Earth

• The Sun’s movement across the sky

• Earth’s movement around the Sun

Tags

NGSS.MS-ESS1-1

Hunter observed the Sun throughout the day over the neighbor’s house.

What caused the change Hunter observed?

• Orbit of Earth around the Sun

• Rotation of Earth on its axis

• Movement of the Sun through space

• Reflection of the Sun off the Moon

Tags

NGSS.MS-ESS1-1

About how much time does it take Earth to revolve around the Sun?

• 24 hours

• 7 days

• 28 days

• 1 year

Tags

NGSS.MS-ESS1-1

Natalie modeled the cause of day and night on Earth using a lamp and a baseball. The baseball represents Earth and the lamp represents the Sun.

What should Natalie do to best represent the cause of day and night?

• Move the lamp in a circle around the baseball

• Turn the lamp off and on

• Move the baseball around the lamp

• Rotate the baseball on its axis

Tags

NGSS.MS-ESS1-1

How is Earth’s rotation on its axis different from its revolution around the Sun?

• Earth’s rotation on its axis takes 1 year, and its revolution around the Sun takes 24 hours.

• Earth’s rotation on its axis takes 24 hours, and its revolution around the Sun takes about 1 month.

• Earth’s rotation on its axis takes 24 hours, and its revolution around the Sun takes 1 year.

• Earth’s rotation on its axis takes about 1 month, and its revolution around the Sun takes 1 year.

Tags

NGSS.MS-ESS1-2

Holden and Mateo are modeling Earth, the Sun, and their relative motions. A basketball is used to represent the Sun, and a tennis ball is used to represent Earth.

What should the boys do to best show what makes the Sun appear to move through the sky?

• Rotate the basketball on its axis

• Move the basketball closer and farther from the tennis ball

• Rotate the tennis ball on its axis

• Move the basketball in a circle around the tennis ball

Tags

NGSS.MS-ESS1-1

Which of the following is NOT true about the motion of Earth?

• It takes 1 year for one revolution.

• Earth rotates on its axis.

• Earth revolves around the Sun.

• One rotation of Earth takes a month.

Here on Earth we have day and night. When one part of Earth has day, the other part has night. Which of the following best explains what makes night on part of our planet?

• Clouds cover the Sun on that part of Earth.

• That part of Earth is pointed away from the Sun.

• The shadow of the Moon falls on that part of Earth.

• Stars block the Sun for that part of Earth.

Tags

NGSS.MS-ESS1-1

Becky likes to go outside in her backyard at night and gaze at the stars. She notices that the stars appear to move across the sky during the night. What is the reason the stars in the night sky appear to move across the sky each night?

• Earth’s orbit

• Earth’s seasons

• Earth’s revolution

• Earth’s rotation

The Sun appears to rise in the east and set in the west. What change would cause the Sun to appear to rise in the west and set in the east?

• Earth rotating twice as fast

• Earth rotating in the opposite direction

• Earth moving around the Sun in the opposite direction

• Earth moving closer to the Sun

Tags

NGSS.MS-ESS1-1