Chpt. 4 - Section B: Radiation & Climate
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Chapter 4: Air: Chemistry & the Atmosphere Section B: Radiation & Climate
- 1.Which has the highest energy and therefore may be most harmful?
- A.
Cosmic rays
- B.
Ultraviolet rays
- C.
Infrared rays
- D.
Radio waves
- 2.Electromagnetic radiation is composed of _____ referred to as 'bundles of energy'.
- A.
Particles
- B.
Photons
- C.
Nucleons
- D.
Nucleotides
- 3.Ultraviolet radiation makes up what percent of sunlight?
- A.
9%
- B.
12%
- C.
46%
- D.
100%
- 4.Which of the following parts of the solar spectrum provides the energy that powers photosynthesis?
- A.
Infrared
- B.
Visible light
- C.
Ultraviolet
- D.
Radio waves
- 5.Unlike water or sound waves, electromagnetic raditation
- A.
Has frequency
- B.
Has wavelength
- C.
Can travel through a vacuum
- D.
Is always dangerous and should be avoided
- 6.If a substance has a high specific heat capacity, which of the following is true?
- A.
It requires a large amount of energy to increase its temperature
- B.
It requires only a small amount of energy to increase its temperature
- C.
Its temperature has been increased to the maximum point
- D.
It will heat up quickly
- 7.Which of the following does not trap infrared radiation in the Earth's atmosphere?
- A.
Carbon dioxide gas
- B.
Oxygen gas
- C.
Clouds
- D.
Methane
- 8.When solar radiation gets trapped in the atmosphere the result is called
- A.
Greenhouse effect
- B.
Ozone effect
- C.
Nuclear winter
- D.
Photochemical effect
- 9.Which of the following activities does not increase carbon dioxide levels?
- A.
Clearing forests of vegetation
- B.
Burning off clearings and scrap lumber
- C.
Burning fossil fuels
- D.
Photosynthesis
- 10.The ozone layer protects us from which type of radiation?
- A.
Visible light
- B.
Infrared
- C.
Ultraviolet
- D.
Microwaves
- 11.Which of these phrases best describes wavelength?
- A.
The number of waves that pass a given reference point per second
- B.
The distance between the same point on two successive waves
- C.
The rate of vibrations of waves
- D.
The time necessary for one wave to pass a particular point
- 12.Which of these phrases best describes frequency?
- A.
The number of waves that pass a given reference point per second
- B.
The distance between the same point on two successive waves
- C.
The rate of vibrations of waves
- D.
The time necessary for one wave to pass a particular point
- 13.Where is the largest amount of Earth's carbon located?
- A.
In human cells and bones
- B.
In CO2 dissolved in the oceans
- C.
In fossils and carbonate rocks
- D.
In living animals and plants
- 14.The major reflectors of solar radiation on Earth are
- A.
Clouds and particles in the atmosphere
- B.
Oceans and lakes
- C.
Forests and grasslands
- D.
Sand, rocks, and concrete
- 15.Which source of greenhouse gases produces a significant amount of methane that is released into the atmosphere?
- A.
Metal refining
- B.
Forests
- C.
Agricultural livestock
- D.
Railroads
- 16.What occupation exposes you to the most cosmic rays?
- A.
X-Ray Technician
- B.
Airport Security Guard
- C.
Astronaut
- D.
Miner
- 17.What percentage of the Sun's energy never enters the Earth's atmosphere and is reflected back into space?
- A.
15%
- B.
30%
- C.
45%
- D.
70%
- 18.Which statement explains why walking across a sandy beach is hotter than walking across a grassy lawn on a summer day?
- A.
Sand is more reflective than grass
- B.
Grass is more reflective than sand
- C.
Sand has a higher specific heat capacity than grass
- D.
Grass has a higher specific heat capacity than sand
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