Earth Science Unit 1 Exam Review
- 1.Which of the following is NOT one of the main areas of Earth science?
- A.
Geology
- B.
Oceanography
- C.
Astrology
- D.
Astronomy
- 2.As altitude increases
- A.
Air pressure decreases and density increases
- B.
Air pressure increases and density decreases
- C.
Air pressure and density increase
- D.
Air pressure decreases and density decreases
- 3.A description of the pattern of weather over many years in a region is ...
- A.
Weather forecast
- B.
Air mass
- C.
Climate
- D.
Weather system
- 4.In the Northern Hemisphere, winds associated with a high-pressure system blow ________.
- A.
Counterclockwise toward the center
- B.
Clockwise toward the center
- C.
Clockwise outward from the center
- D.
Counterclockwise outward from the center
- 5.The process of converting a liquid to a gas is known as _________.
- A.
Evaporation
- B.
Sublimation
- C.
Condensation
- D.
Deposition
- 6.The source of the sun's energy is _______.
- A.
Chemical burning
- B.
Nuclear fission
- C.
Nuclear fusion
- D.
Photosynthesis
- 7.What is the most common gas in the atmosphere?
- A.
Nitrogen
- B.
Helium
- C.
Hydrogen
- D.
Oxygen
- 8.Isotherms show areas of equal.....
- A.
Pressure
- B.
Temperature
- C.
Humidity
- 9.Areas with low pressure generally have
- A.
Bright skies and sunny weather
- B.
Overcast skies and precipitation
- C.
Dry weather
- 10.Which of these is not a weather instrument?
- A.
Barometer
- B.
Geiger counter
- C.
Hygrometer
- D.
Anemometer
- 11.What are cooler, darker spots on the sun's surface?
- A.
Corona
- B.
Sunspots
- C.
Photosphere
- 12.What is the rotation period of the earth?
- A.
365 days
- B.
24 hours
- C.
1 year
- 13.What causes the seasons?
- A.
The elliptical movement of the earth around the sun
- B.
The tilt of the earth at various stages of the earth's revolution around the sun
- C.
The solar wind moves the earth at different angles
- 14.
![What causes the auroras or Northern and Southern lights? - ProProfs]( "What causes the auroras or Northern and Southern lights?")
What causes the auroras or Northern and Southern lights?- A.
The planets line up for the light show.
- B.
Charged particles from the sun begin to glow as they enter the earth's atmosphere
- C.
No one really knows
- 15.The spinning of Earth on its axis.
- A.
Rotation
- B.
Revolution
- C.
Month
- D.
Year
- 16.The yearly orbit of Earth around the Sun is called its__________.
- A.
Rotation
- B.
Ellipse
- C.
Tilt
- D.
Revolution
- 17.Burning fossil fuels releases harmful gases that will cause acid rain.
- A.
True
- B.
False
- 18.Sun spots ___.
- A.
Cause changes in the amount of back radiation that Earth emits
- B.
Occur in a 100-year cycle
- C.
Were more numerous between A.D. 1645 and 1715 than they are today
- D.
Occur at times when net solar emissions are stronger than normal
- 19.What causes Earth's climate to change over time?
- A.
Changes in Earth's orbit around the Sun
- B.
Changes in the strength of the Sun
- C.
Changes in plate tectonics (geography of land and sea)
- D.
Human activities
- E.
All of the above
- 20.Sea and land breezes happen because __________.
- A.
The land heats and cools more slowly than the water.
- B.
The land heats and cools more quickly than the water.
- C.
Air moves more easily over water than over land.
- D.
Air moves more easily over land than over water.
- 21.What layer has the ozone layer in it?
- A.
Mesosphere
- B.
Troposphere
- C.
Thermosphere
- D.
Stratosphere
- 22.What gas makes up around 21% of our atmosphere?
- A.
Methane
- B.
Oxygen
- C.
Nitrogen
- D.
Carbon dioxide
- 23.What is the most abundant gas in the atmosphere?
- A.
Oxygen
- B.
Nitrogen
- C.
Carbon Dioxide
- D.
Water Vapor
- 24.Which of the following is an example of heat transfer by radiation?
- A.
A pan sitting on a hot burner
- B.
The Sun heating the Earth
- C.
Hot air lifting a balloon off the ground
- D.
None of the above
- 25.Which of the following is an example of heat transfer by convection?
- A.
A pan sitting on a hot burner
- B.
The Sun heating the Earth
- C.
Hot air lifting a balloon off the ground
- D.
None of the above
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