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Name____________________________
Date__________________
#____
Science Study Guide ~ Planet Earth and its Moon
Chapter 8
Be
1.
2.
3.
4.
5.
6.
7.
8.
Test Day_______________
able to match the vocabulary words below:
Ellipse
A shape that is like a circle stretched out in opposite directions
Rotation
Spinning of a planet, moon, or star around its axis
Eclipse
Event in which one object in space gets between the sun and another object
Revolution
Movement of one object around another object
Lunar eclipse
Event in which the moon passes through Earth’s shadow
Orbit
Path an object follows as it revolves around another object
Solar eclipse
Event in which the moon passes between the sun and Earth
NASA
The government agency that runs the U.S. space program
Answer the following questions.
Lesson 1:
9. What causes day to change into night and night to day?
10. Why is a shadow in the middle of the day shorter than the shadow in the morning & evening?
11. Why does Earth’s distance from the sun change as it moves in its orbit around the sun?
12. What force keeps Earth revolving around the sun?
13. In what ways does Earth move? How long do these movements take?
14. How does Earth’s revolution around the sun affect the seasons?
Lesson 2:
15. Does the moon produce its own light? Explain.
16. How long does it take the moon to make one complete revolution around the Earth?
17. What causes the changing appearance of the moon over the course of a month?
18. Label each phase of the moon by filling in the correct letter in the diagram below:
a. new moon
b. crescent moon
c. first-quarter moon
d. gibbous moon
e. full moon
f. last-quarter moon
19. What happens during a lunar eclipse?
20. What happens during a solar eclipse?
21. Label each diagram as a lunar eclipse or a solar eclipse.
_____________________
_____________________
Lesson 3:
22. In 1969, Neil Armstrong and Buzz Aldrin determined that there was no _____ on the moon.
23. What is the technology called that allows scientists to live in space for a long time?
24. What is the object that helps scientists discover how galaxies and planets are formed?
Name____________________________
Date__________________
#____
Science Study Guide ~ Planet Earth and its Moon
Chapter 8
Be
1.
2.
3.
4.
5.
6.
7.
8.
Test Day_______________
able to match the vocabulary words below:
Ellipse
A shape that is like a circle stretched out in opposite directions
Rotation
Spinning of a planet, moon, or star around its axis
Eclipse
Event in which one object in space gets between the sun and another object
Revolution
Movement of one object around another object
Lunar eclipse
Event in which the moon passes through Earth’s shadow
Orbit
Path an object follows as it revolves around another object
Solar eclipse
Event in which the moon passes between the sun and Earth
NASA
The government agency that runs the U.S. space program
Answer the following questions.
Lesson 1:
9. What causes day to change into night and night to day?
Earth’s rotation on its axis
10. Why is a shadow in the middle of the day shorter than the shadow in the morning & evening?
Because the sun is directly overhead
11. Why does Earth’s distance from the sun change as it moves in its orbit around the sun?
because Earth’s orbit is an ellipse (like a circle stretched out in opposite directions)
12. What force keeps Earth revolving around the sun?
gravity
13. In what ways does Earth move? How long do these movements take?
1. rotates on axis – one rotation takes about 24 hours
2. revolves around sun – one revolution takes about 365 days or 1 year
14. How does Earth’s revolution around the sun affect the seasons?
As Earth revolves around the sun, it is tilted on its axis. Its tilt affects how places on
Earth receive sunlight. When places tilt toward the sun, it is summer. When places tilt
away from the sun, it is winter.
Lesson 2:
15. Does the moon produce its own light? Explain.
The moon does not produce its own light. We can see the moon because sunlight reflects
off the moon’s surface.
16. How long does it take the moon to make one complete revolution around the Earth?
About 27.3 days
17. What causes the changing appearance of the moon over the course of a month?
Different amounts of the lighted half of the moon face the Earth
18. Label each phase of the moon by filling in the correct letter in the diagram below:
a. new moon
b. crescent moon
c. first-quarter moon
d. gibbous moon
e. full moon
f. last-quarter moon
19. What happens during a lunar eclipse?
The moon passes through the Earth’s shadow
20. What happens during a solar eclipse?
The moon passes between the sun and the Earth
21. Label each diagram as a lunar eclipse or a solar eclipse.
_____________________
_____________________
Lesson 3:
22. In 1969, Neil Armstrong and Buzz Aldrin determined that there was no __life_ on the moon.
23. What is the technology called that allows scientists to live in space for a long time?
International Space Station
24. What is the object that helps scientists discover how galaxies and planets are formed?
Hubble Space Telescope