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Earth Tilt 2

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
When the North Pole is tilted toward the Sun, the Southern Hemisphere experiences
a.
winter.
c.
summer.
b.
fall.
d.
spring.
 

 2. 
Why does the amount of daylight change during the course of a year?
a.
Earth rotates at different speeds at different times of the year.
b.
The North Pole points more toward the Sun at one time of the year than another.
c.
The distance between the Sun and Earth changes from summer to winter.
d.
The amount of light and heat radiated by the Sun changes at different times of the year.
 

 3. 
The Sun's rays strike Earth at their northernmost and southernmost positions during ____.
a.
spring and fall equinoxes
c.
winter and summer solstices
b.
lunar eclipses
d.
solar eclipses
 

 4. 
Summer occurs on the hemisphere of Earth that is ____.
a.
tilted toward the Sun
c.
tilted away from the Sun
b.
turned toward the Sun
d.
turned away from the Sun
 

 5. 
Each year, Earth moves once around
a.
Mars.
c.
Venus.
b.
the Moon.
d.
the Sun.
 

 6. 
How does the number of hours of daylight compare to the number of hours of darkness on March 20, the first day of spring in the Northern Hemisphere?
a.
The hours of daylight and darkness are the same.
b.
There are more hours of darkness than daylight.
c.
The number of hours of daylight and darkness cannot be predicted in advance.
d.
There are more hours of daylight than darkness.
 

 7. 
Which explains why day and night occur on different parts of Earth?
a.
Earth rotates on its axis.
c.
Earth revolves around the Sun.
b.
The Sun rotates on its axis.
d.
The Sun revolves around the galaxy.
 

 8. 
Which is a result of the tilt of Earth's axis?
a.
months
c.
days
b.
seasons
d.
years
 

 9. 
The length of a year on Earth is determined by Earth's
a.
rotation.
c.
revolution.
b.
axis tilt.
d.
gravitational pull.
 

 10. 
Which picture demonstrates rotation?
a.
mc010-1.jpg
c.
mc010-3.jpg
b.
mc010-2.jpg
d.
mc010-4.jpg
 

 11. 
The yearly orbit of Earth around the Sun is called its ____.
a.
ellipse
c.
revolution
b.
rotation
d.
tilt
 

True/False
Indicate whether the statement is true or false.
 

 12. 
Daylight hours are shorter for the hemisphere that is tilted toward the Sun during the solstice.
 

 13. 
The summer solstice occurs in June in the northern hemisphere and in December in the southern hemisphere.
 

 14. 
Earth rotates on its axis about once every year.
 

 15. 
Night and day on Earth are caused by Earth's revolution around the Sun.
 



 
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