Rotation Revolution

A student wanted a model to demonstrate what causes day and night on Earth. The model, illustrated above, was created by placing a softball on a table in a dark room and shining a flashlight on the softball. In this model, what most likely represents the Sun?

• The softball

• The table

• The dark room

• The flashlight

Tags

NGSS.MS-ESS1-1

Which of the following is the best explained by understanding that Earth rotates on its axis once each day?

• The change in the appearance of the Moon during the month

• The difference in seasonal temperatures during the year

• The apparent motion of the Sun through the sky

• The movement of water through the water cycle

The diagram above suggests that the next event that can be expected in Houston in a couple of hours is–

• sunrise

• noon

• sunset

• midnight

Tags

NGSS.MS-ESS1-1

Which of the following best explains what causes the apparent motion of the Sun through the sky?

• The Sun is made of very hot gases.

• Earth rotates on an axis.

• Earth revolves around the Sun.

• The Sun is at the center of the solar system.

Tags

NGSS.MS-ESS1-1

Which of the students gave a correct explanation?

• Student 1 only

• Students 2 and 4

• Student 2 only

• Student 1 and 3 only

Tags

NGSS.MS-ESS1-1

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Tags

NGSS.MS-ESS1-1

Which of these cycles is a direct result of Earth's rotation?

• Day and Night

• Moon Phases

• Rainfall and evaporation

• Seasons

On which side of a house in Texas should a window be placed so that the people inside the house can see the sunrise each day through the window?

• North

• South

• East

• West

Some students use globes to model the rotation of the Earth. They shaded in Texas on the globe, as shown. They rotated the globe and observed that Texas was in exactly the same place after each rotation. The students could rotate the globe quickly or slowly. If the globe could rotate only at the rate that Earth actually rotates, about how long would each complete rotation take?

• 30 days

• 60 minutes

• 24 hours

• 365 days

Tags

NGSS.MS-ESS1-1

Shadow casts by objects change throughout the day. The picture below shows the shadow cast by a tree at 3:00 p.m. Which picture shows how the tree's shadow most likely looked at 9:00 a.m. ?

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Tags

NGSS.MS-ESS1-1