Rotation is the ​ (a)   of an object. Earth rotates on its ​ (b)   in a ​ (c)   motion. Each rotation takes ​​ (d)   and causes the phenomenon of ​​ (e)   .

• spinning
• 23.5 degree axis
• counterclockwise
• 24 hours
• day and night
• clockwise
• 365.25 days
• seasons
• orbits
• Sun

Tags

112.20.b.7.A

Complete the sentence below.

The Earth moves in predictable patterns. One of these patterns causes approximately 12 hours of daylight and 12 hours of darkness during a 24-hour period in areas around the equator. This movement is referred to as a

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112.20.b.7.A

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

• The length of a day would be shorter.

• The length of the seasons would be shorter.

• The length of the seasons would be longer.

• The length of a day would be longer.

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112.20.b.7.A

Revolution is when an object ​ (a)   around another object. Earth revolves around the ​ (b)   in a ​​ (c)   motion. Each revolution takes ​ (d)   and causes the phenomenon of ​ (e)   .

• clockwise
• 365.25 days
• seasons
• orbits
• Sun
• counterclockwise
• day and night
• spinning
• 23.5 degree axis
• 24 hours

Tags

112.20.b.7.A

An image of the Earth-Moon-Sun system is shown. Which of the following accurately describes what the model is demonstrating?

• the Earth's revolution around the Moon and the Sun's revoluton around the Earth

• the Sun's revolution around the Earth and the Moon's rotation around the Earth

• the Earth's rotation around the Sun and the Moon's rotation around the Earth

• the Earth's revolution around the Sun and the Moon's revolution around the Earth

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112.20.b.7.A

Organize these options into the right categories.

Groups:

(a) Rotation

,

(b) Revolution

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

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112.20.b.7.A

Seasons are caused by the ​23.5 degree ​ (a)   of Earth's ​ (b)   and the ​ (c)   around the Sun. The seasons in order are spring, ​ (d)   , fall, ​ (e)   .

• axis
• revolution
• summer
• winter
• rotation
• tilt

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112.20.b.7.A

Label the seasons for the northern hemisphere on the diagram below.

d

c

b

a

Fall

Summer

Spring

Winter

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112.20.b.7.A

Earth's axis is tilted at a 23.5° angle relative to the plane of orbit, as shown in Diagram X. Diagram Y represents Earth at a 45º angle. Which quadrants on Diagram Y would receive the MOST direct sunlight if the angle of the tilt of Earth changed to 45º?

• 1 and 2

• 1 and 3

• 2 and 3

• 2 and 4

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112.20.b.7.A

Which hemisphere is experiencing winter on the diagram below?

CHOOSE ONE

Tags

112.20.b.7.A