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- 1. Multiple Choice
Which of these conditions is most responsible for Earth having an environment that supports life?
A. Oceans regulating climate on land.
B. The percentage of nitrogen in the atmosphere.
C. Water that exists in all three physical states of matter.
D. Erupting volcanoes moderating atmospheric temperatures.
- 2. Multiple Choice
Scientists know that Earth is constantly changing. They are familiar with the processes that are repeated in a monthly cycle. Which of these is a natural event that can be predicted to occur monthly?
A. Earth revolves around the Sun.
B. Moon revolves around the Earth.
C. Earth rotates on its axis.
- 3. Multiple Choice
Which best explains why the moon has phases?
A. How much of the sunlit side of the moon faces Earth.
B. The sun's position changes in relation to the moon and Earth.
C. The Earth casts a shadow on the moon as it rotates.
D. The moon rotates along its axis.
- 4. Multiple Choice
Where do Earth's oceans bulge in response to the Moon's gravitational attraction to produce tides?
A. The side facing the moon..
B. The sides at right angles to the moon.
C. The side opposite the moon.
D. The sides facing and opposite the moon.
- 5. Multiple Choice
Which drawing best shows the orbit of the Moon?
- 6. Multiple Choice
What season is the Northern Hemisphere experiencing when the Southern Hemisphere is tilted directly toward the Sun?
fall
winter
spring
summer
- 7. Multiple Choice
Which of the following space technologies can astronauts live on for long periods of time?
The Mars Curiosity
Chandra X-ray Observatory
International Space Station
A Space Shuttle
- 8. Multiple Choice
In the Northern Hemisphere, June 21st has more hours of sunlight than any other day. However, June 21st has the fewest hours of sunlight in the Southern Hemisphere. Which best explains why the Northern Hemisphere receives more daylight than the Southern Hemisphere on the same day?
Earth rotates on its axis
Earth is tilted on its axis
The Sun moves closer to the Northern Hemisphere
The Sun releases more energy to the Northern Hemisphere
- 9. Multiple Choice
Which represents information that is gained as a result of space exploration?
Weather and climate patterns that occur on Earth
Existence of the sun and the moon in the solar system
How to use coal and natural gas as energy resources
Location of plates found upon Earth's surface.
- 10. Multiple Choice
Earth's rotation takes about
365 days
6 months
24 hours
1 month
- 11. Multiple Choice
If you wanted to be able to look at the stars, the planets, and the moon more closely, what should you use?
Telescope
Periscope
Microscope
Magnifying glass
- 12. Multiple Choice
Which event takes about one year to complete?
Earth making a complete rotation
The Moon making a complete rotation
Earth revolving completely around the Sun
The Moon revolving completely around Earth
- 13. Multiple Choice
Earth, along with the other planets, revolves around the Sun. The planets revolve in a counterclockwise direction. The cause of the revolution is mostly due to which forces?
mass and inertia
orbital speed and mass
gravity and inertia
gravity and orbital speed
- 14. Multiple Choice
Which factor is the most influential in Earth's ability to support life?
The Earth is exposed to rays from the sun
The Earth has only one moon that orbits around it
The Earth rotates in an elliptical orbit around the sun
The Earth has a breathable atmosphere
- 15. Multiple Choice
Why are there high and low tides on Earth?
They are due to changes in the moon's tilt on its axis
They are due to the gravitational pull between Earth and the moon
They are due to the magnetic force between Earth and the moon
They are due to changes in the moon's speed every month
- 16. Multiple Choice
How does gravity support life on Earth?
By forcing Earth to continuously spin on its axis, which contributes to day and night
By causing changes in the distance between Earth and the sun, which contributes to the seasons
By keeping water and gases in the atmosphere close to Earth's surface, which contributes to life processes
By preventing meteors and comets from hitting Earth's surface, which protects living organisms from space fragments
- 17. Multiple Choice
There are four seasons in a year. Which reason is most responsible for the changing seasons on Earth?
The way Earth tilts on its axis
The way Earth rotates on its axis
Changes in the distance between Earth and the Sun
Changes in the amount of energy the Sun produces
- 18. Multiple Choice
The Earth's moon is___.
always much closer to the Sun than it is to the Earth
always much closer to the Earth than it is to the Sun
about the same distance from the Sun as it is from the Earth
sometimes closer to the Sun than it is to the Earth, and sometimes closer to the Earth than it is to the Sun
- 19. Multiple Choice
The diagram shows the Moon in various positions around Earth. At which position would the Moon appear to be full to people in the United States?
1
2
3
4
- 20. Multiple Choice
The alignment of the Sun, Earth, and Moon can produce shadows on the Earth or Moon resulting in an eclipse. Which diagram shows a Solar Eclipse?
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