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Final Revision
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. One day on Earth is 24 hours. Some planets have shorter days. Other planets have longer days.
What determines the length of a planet’s day?
A. tilt
B. moons
C. rotation
D. revolution
____
2. Which of these is responsible for changes from day to night on Earth?
A.
B.
C.
D.
____
Earth’s tilt
Earth orbiting the sun
the moon orbiting Earth
Earth rotating about its axis
3. The following diagram shows Earth spinning on its axis.
What would happen if Earth spun on its axis faster than it does now?
A.
B.
C.
D.
____
4. Seasons are reversed in the Northern and Southern Hemispheres. Why do the Northern and
Southern Hemispheres never experience the same season at the same time?
A.
B.
C.
D.
____
Earth would be hotter.
A day would be shorter than 24 hours.
A year would be longer than 365 days.
There would be more than four seasons.
Seasons are longer in the Northern Hemisphere.
Seasons are shorter in the Southern Hemisphere.
because the Northern Hemisphere always tilts toward the sun
because they tilt toward and away from the sun at different times of year
5. Earth is tilted on its axis. Which of these would not exist if Earth had no tilt?
A.
B.
C.
D.
____
6. Earth revolves around the sun. How long does it take for Earth to complete one revolution?
A.
B.
C.
D.
____
one day
one week
one month
one year
7. In the 1500s, an astronomer developed a new model of the universe. This model had the sun at
the center of the universe, not Earth. Who was this astronomer?
A.
B.
C.
D.
____
Gravity
Seasons
lunar phases
Earth’s rotation
Kepler
Galileo
Ptolemy
Copernicus
8. Look at the diagram below. It shows Earth at four positions in its orbit around the sun.
At which position does the Northern Hemisphere receive the least amount of sunlight each day?
____
A. Position I
B. Position II
C. Position III
D. Position IV
9. What is an orbit?
A.
B.
C.
D.
the turning of a planet on its axis
the distance of a planet from the sun
the speed at which a planet moves around the sun
the path one object takes around another object in space
____ 10. Astronomers of the past expanded our knowledge of the solar system. What would have
happened much later without the work of Galileo?
A.
B.
C.
D.
the discovery of Jupiter
observation of constellations
the first satellite in Earth orbit
proof of the theories of Copernicus
____ 11. The diagram below shows planet Earth in different positions relative to the sun. Labels G, H, J,
and K are different locations on Earth’s surface.
According to the diagram, which of the following correctly states the season for the given
location?
A.
B.
C.
D.
It is spring at location G.
It is winter at location H
It is fall at location J.
It is summer at location K.
____ 12. Earth revolves around the sun. What object does the moon revolve around as it goes through its
phases?
A. Earth
B. its axis
C. the sun
D. its equator
____ 13. What would happen to the moon’s phases if the moon still revolved but Earth did not?
A. Phases would not occur.
B. The cycle of phases would be faster.
C. The cycle of phases would be slower.
____ 14. The moon goes through a cycle of phases each month. Which phase takes place when the moon is
directly between Earth and the sun?
A. full moon
B. new moon
C. quarter moon
D. crescent moon
____ 15. Carrie knows the moon goes through a cycle of phases about once each month. Which is the
correct order of the phases Carrie would see in the night sky?
A.
B.
C.
D.
first quarter  full moon  new moon
full moon  new moon  first quarter
first quarter  full moon  third quarter
third quarter  first quarter  new moon
____ 16. Earth is a planet in the solar system. A planet can have one or more moons. What is another word
that means the same as moon?
A.
B.
C.
D.
Asteroid
Comet
Satellite
Star
____ 17. The picture below shows one of the phases of the moon.
What will the next phase be?
A.
B.
C.
D.
new moon
first quarter
third quarter
full moon
____ 18. Which set of pictures shows the correct order of moon phases?
A.
B.
C.
D.
____ 19. The picture below shows the sun, the moon, and Earth.
Which moon phase would someone on Earth see?
A.
B.
C.
D.
full moon
new moon
last quarter
first quarter
____ 20. The picture below shows one of the phases of the moon.
Which moon phase do you see from Earth?
A.
B.
C.
D.
full moon
third quarter
first quarter
crescent moon
____ 21. Sean looks at his calendar. He sees that tonight’s phase of the moon will be a new moon. Which
will be the next phase Sean sees after the new moon?
A. full moon
B. first quarter
C. third quarter
D. another new moon
____ 22. The sun is at the center of our solar system. What are the largest objects that revolve around the
sun?
A. moons
B. comets
C. planets
D. asteroids
____ 23. Inner planets and outer planets have different structures. Which of these characteristics do all
inner planets share?
A.
B.
C.
D.
small solid core
large solid core
surface of frozen gases
surface of mostly liquid water
____ 24. What does a solar system contain?
A. a group of stars
B. a star and the planets near it
C. the planets, moons, and asteroids around a star
D. a star and all the bodies that revolve around it
____ 25. There are eight planets in the solar system. Which is true of all planets?
A. They have satellites.
B. They rotate on their axes.
C. They have a surface made of rock.
D. They have nitrogen in their atmospheres.
____ 26. Carla sees a small object streak across the night sky. It trails a bright stream of light behind it.
Which of the solar system’s objects does Carla see?
A.
B.
C.
D.
a moon
a comet
an asteroid
a dwarf planet
____ 27. Which characteristic is true of all eight planets?
A.
B.
C.
D.
solid core
rocky crust
set of rings
larger than the sun
____ 28. Consuela records the following information in her science journal: “The temperature is 10 C, the
wind speed is 5 km/hr, and the barometer reads 752 mb.” Which of the following is Consuela
describing?
A.
B.
C.
D.
atmosphere
climate
precipitation
weather
____ 29. Which of the following is the main cause of winds?
A.
B.
C.
D.
high humidity
difference in air pressure
lack of precipitation
temperature differences
____ 30. Damien says, “The air feels very dry today.” Which of the following weather factors is he
describing?
A.
B.
C.
D.
air pressure
humidity
precipitation
wind speed
____ 31. In which of the following places would the air pressure be highest?
A.
B.
C.
D.
in a cloud
on a hilltop
on a mountaintop
at the bottom of a valley
____ 32. In which of the following ways are mountain and valley breezes similar to land and sea breezes?
A.
B.
C.
D.
Both take place only in hilly areas.
Both take place only during rainy weather.
Both are stronger at night than during the day.
Both are caused by differences in temperature.
____ 33. Water on Earth constantly moves between Earth’s surface and its atmosphere. How does water
arrive at Earth’s surface?
A.
B.
C.
D.
through runoff
through evaporation
through condensation
through precipitation
____ 34. Dew and raindrops look very similar. In what other way are dew and raindrops alike?
A. Both fall from the sky.
B. Both are forms of precipitation.
C. Both require condensation to happen.
D. Both form around particles in the air.
____ 35. Oceans receive fresh water from precipitation and rivers. Yet the sea levels of ocean do not
change very much from these actions. Why the sea levels are affected so little?
A.
B.
C.
D.
Water evaporates over the ocean’s surface.
Water seeps underground beneath the ocean.
Water flows back into rivers from the oceans.
Water is deposited back on land through ocean wave action.
____ 36. Maria draws the following diagram of the water cycle.
What should she label the process of water moving from the ocean to the atmosphere?
A.
B.
C.
D.
condensation
evaporation
infiltration
precipitation
____ 37. A water molecule spends much more time in some stages of the water cycle than in others. Where
does a water molecule spend the shortest amount of time as it moves through the water cycle?
A.
B.
C.
D.
in a glacier
in the ocean
under the ground
in the atmosphere
____ 38. Kenii sees that dew appears on her lawn on cool mornings. Which statement explains how dew
forms?
A. Water vapor condenses on cool surfaces.
B. Water runs off cold surfaces and freezes overnight.
C. Water evaporates on cool surfaces, leaving only dew behind.
D. Water precipitates from clouds as droplets that cling to cool surfaces.
Explain:
1- occurrence of moon phases.
…………………………………………………………………………………………………………
…………
2- occurrence of day and night.
…………………………………………………………………………………………………………
…………..
3- occurrence of 4 seasons.
…………………………………………………………………………………………………………
…………..
4- Movement of the wind.
…………………………………………………………………………………………………………
…………..
Write one information about:
1-Jupiter:
2-Mars:
3-Venus:
4-Sun:
5-pluto:
1-……………………………………………………………………………………..
2-……………………………………………………………………………………..
3-………………………………………………………………………………………