The illustration shows Earth's axis, an imaginary line between the North and South Pole.

How is Earth's movement affected by its axis?

• Earth revolves on its axis

• Earth rotates on its axis

• Earth moves up and down on its axis

• Earth moves closer and further away from its axis

How can they model the cycle of day and night?

• Move the Earth in a circle around the Sun

• Move the Sun in a circle around the Earth

• rotate, or spin, Earth while the Sun stays in one place

• rotate, or spin, Earth while the Sun moves in a circle around Earth

Tags

NGSS.MS-ESS1-1

The cycle of day and night repeats every 24 hours. Which event explains the length of time?

• The Sun completes one rotation on its axis in 24 hours

• The Moon completes one revolution around the Sun in 24 hours

• Earth completes one revolution around the Sun in 24 hours

• Earth completes one rotation on its axis

Tags

NGSS.MS-ESS1-1

If three of these places are now experiencing daytime, which location is experiencing nighttime?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-1

What are the students modeling when the Earth rotates on its axis?

• the pattern of seasonal changes in temperature

• the changing length of day and night throughout the year

• the repeating pattern of day and night

• Earth's changing distance to the Sun, which causes seasonal patterns

Tags

NGSS.MS-ESS1-1

Earth's rotation on its axis explains which of these observations?

Choose all that apply.

• Weather patterns change throughout the year

• the Sun appears to move across the sky during the day

• Shadows change position and shape during the day

• Shadows change direction during the day

• The length of the day and night change throughout the year

Earth rotates on its axis. How long does it take for Earth to complete one rotation? Enter the number of hours.

Earth completes one rotation in ______ hours.

Which answer correctly labels each letter as day and night? 

• X = night
  Y = day
• X = day
  Y = night

Tags

NGSS.MS-ESS1-1

In North America, it is ____.

• Day Time

• Night Time

Tags

NGSS.MS-ESS1-1