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.

Alma holds a model of Earth. Curtis uses a flashlight to model the Sun. How should they model the cycle of day and night?

• Curtis should move the flashlight around the model Earth.

• Curtis should turn the flashlight on and off.

• Alma should rotate the model Earth, or spin it on its axis.

• Alma should move the model Earth around the flashlight.

Fill in the blanks using the available answer choices. What movement causes the cycle of day and night? Select the words that complete the explanation. The cycle of day and night occurs because ​ ​ (a)   moves by ​ (b)   on its axis.

(c)  

• Earth
• the Moon
• the Sun
• revolving
• rotating
• sliding

When it is the middle of the day in Texas, where is it nighttime?

• Iowa, a state to the north of Texas

• Guatemala, a country to the south of Texas

• India, a country on the other side of Earth from Texas

• Louisiana, a state that borders Texas

What causes Earth’s cycle of day and night?

Tags

NGSS.MS-ESS1-1

The diagram shows how the Sun appears to move across the sky during the day. What is the cause of this apparent motion?

• the Sun moving around Earth

• Earth moving closer to the Sun and then farther away

• Earth moving around the Sun

• Earth rotating on its axis

Tags

NGSS.MS-ESS1-1

The diagram shows how the Sun appears to move across the sky during the day. Which observations about shadows are explained by the apparent motion of the Sun? Select THREE correct answers.

• Shadows are longest in the middle of the day.

• Shadows are shortest in the middle of the day.

• Shadows are longest just after sunrise and just before sunset.

• Shadows change direction during the day, moving from pointing west to pointing east.

• Shadows keep pointing in the same direction during the day, always to the south.

Tags

NGSS.5-ESS1-2

Fill in the blanks using the available answer choices. Carolyn observes a tree from sunrise to about 12:00 noon. How does the shadow of the tree change during this time? Select the words that complete the explanation. At sunrise, the shadow of the tree is ​ ​​ (a)   than the tree, and the shadow points to the ​ (b)   . Then the shadow gradually ​ (c)   throughout the morning.

• longer
• west
• shrinks
• shorter
• east
• lengthens
• curves

Tags

NGSS.5-ESS1-2

The diagram does not show the shadow of the boy. How should a shadow be added to complete the diagram?

• add a long shadow from the boy to the east

• add a long shadow from the boy to the west

• add a short shadow from the boy to the north

• add a circle-shaped shadow around the boy

Tags

NGSS.5-ESS1-2

Lance claims that the Sun moves slowly around Earth every day. For evidence, he cites observations of sunrise, the Sun seeming to move across the sky, and then sunset. Is Lance’s claim correct? Explain.

Tags

NGSS.MS-ESS1-1