Cycle of Night and Day

Which of these changes would likely occur if the rate of Earth's rotation on its axis increased?

• The length of the seasons would be shorter.

• The length of the seasons would be longer.

• The length of a day would be shorter.

• The length of a day would be longer.

The model shows Earth in several positions relative to the sun.

In which position is it winter in North America?

• Position 1, because North America receives the most direct sun

• Position 2, because North America is tilted toward the sun

• Position 3, because North America is parallel to the sun

• Position 4, because North America is tilted away from the sun

Tags

NGSS.MS-ESS1-1

A student wants to use a spinning basketball to model the day-and-night cycle on Earth.

What should the student do in order to best model the cause of the day-and-night cycle?

• Spin the ball in different directions

• Tilt the ball while it is spinning

• Paint one half of the ball black and the other half white

• Shine a bright light on one side of the ball

Tags

NGSS.MS-ESS1-1

In the summer many people enjoy going to the beach. The photograph shows a beach in Argentina, which is located in the Southern Hemisphere.

Which diagram shows the position of Earth when it is summer in Argentina?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-1

Part of the diagram of Earth has a box around it.

What is shown inside the box?

• the South Pole

• the Equator

• the axis of the Earth

• the orbit of the Earth

What is determined by the speed that Earth rotates on its axis?

• the length of a day

• the energy that reaches a location

• the temperature of water in the ocean

• the number of seasons in a year

Jessica watches the Sun set in the evening sky. What causes the setting of the Sun?

• The distance between Earth and the Sun is increasing.

• The tilt of Earth on its axis is constantly changing.

• Earth is revolving around the Sun.

• Earth is rotating on its axis.

Tags

NGSS.MS-ESS1-1

The _____ is made up of the Sun and the objects around it.

• Sun

• Solar System

• Moon

• star

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

When are shadows the shortest?

• morning

• noon

• afternoon

Tags

NGSS.MS-ESS1-1

Which best explain why it is dark during the winter at the north pole?

• Earth's north pole is tilted toward the sun.
• Earth's north pole is tilted away from the sun.
• Earth's north pole is neither tilted toward or away from the sun.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6