10.1/10.2 Quiz Study Guide
Choose the letter of the best answer.
1. Earth’s atmosphere traps energy from the sun. Which is a direct result of the trapping of energy
by Earth’s atmosphere?
A. Earth has gravity.
B. Earth’s atmosphere has four layers.
C. Earth has moderate temperatures.
2. Ships encounter surface currents and waves as they travel across the ocean. Surface currents and
waves form when energy from the sun causes two of Earth’s spheres to interact. Which two
spheres interact to produce these waves and currents?
A. the biosphere and hydrosphere
B. the cryosphere and atmosphere
C. the atmosphere and hydrosphere
3. The atmosphere is divided into four layers, the mesosphere, troposphere, thermosphere, and
stratosphere. Each layer has unique physical properties. Which of the following statements about
the stratosphere is true?
A. There are no winds in the stratosphere.
B. The stratosphere is below the troposphere.
C. The stratosphere is warmer at the top than at the bottom.
4. The Florida Everglades is a large, warm wetland with many plants, animals, and microscopic
organisms. Which part of the Earth system includes the water in the Everglades?
A. the cryosphere
B. the atmosphere
C. the hydrosphere
5. The gases that make up Earth’s atmosphere are commonly referred to as air. Approximately what
percentage of air is made up of gases other than nitrogen and oxygen?
A. 1%
B. 21%
C. 99%
6. The atmosphere exerts a force (pressure) on Earth. Why does the atmosphere exert pressure on
Earth?
A. because of the weight of air
B. because of the ozone layer
C. because of energy from the sun
7. What is the composition of Earth’s atmosphere?
A. 78% nitrogen, 21% oxygen, 1% other gases
B. 78% oxygen, 21% carbon dioxide
C. 78% oxygen, 21% water vapor
8. Cloudy nights are often warmer than clear nights. Which explains why cloudy nights tend to be
warmer than clear nights?
A. Clouds generate wind.
B. Clouds trap heat energy.
C. Clouds store and release heat from the Earth’s interior.
9. The Florida panther is one of the most endangered mammals on Earth. Where is the air that
Florida panthers breathe?
A. in the geosphere
B. in the atmosphere
C. in the hydrosphere
10. Earth has both freshwater and salt water. About how much of Earths water is fresh water?
A. 3%
B. 15%
C. 67%