Day/Night and Seasons

The turning or spin of Earth on its axis.

• Revolution
• Rotation
• Rounding
• Rousting

What is the result of the Earth’s rotation?

• Seasons
• Eclipses
• Moon Phases
• Day and Night

Why do all of the stars in the northern sky appear to rotate around Polaris (the North star)?

• The south pole axis is pointed directly at Polaris
• Earth's magnetic poles are aligned to Polaris
• The north pole axis is pointed directly at Polaris
• The stars don't look this way. It is an optical illusion.

What is meant by revolution of the Earth around the Sun?

• orbit of Earth
• turning of Earth
• change of magnetic poles
• answer not shown

Earth rotates ______ time(s) and revolves ______ time(s) each year.

• 23.5 / 90
• 4 / 365
• 365 / 1
• 12 / 7

In the diagram below, which letters represent rotation and revolution?

• A/B
• B/C
• C/A
• B/A

How does the tilt of the Earth look as it rotates around the Sun?

• The tilt is always in the same direction
• The tilt is the same in spring/fall and different in summer/winter
• The tilt is variable and changes seasonally
• Answer not shown

What is the tilt of the Earth on its axis?

• 30 degrees
• 24.5 degrees
• 23.5 degrees
• 22 degrees

How does the tilt of the Earth‘s axis affect the number of hours of sunlight that are hitting the Earth?

• Sunlight hours are the same all year
• Sunlight hours are greater when tilted toward the Sun
• Sunlight hours are greater when tilted away from the Sun
• Sunlight hours are variable and unpredictable

How does the tilt of the Earth’s axis affect the angle of the Sun’s rays hitting the Earth?

• Angle is greater in summer / lesser in winter
• Angle is the same in summer / fall
• Angle is greater in winter / lesser in summer
• Greater in summer/lesser in winter/same in summer and fall