The Biosphere
What makes up most of the surface area of Earth?
(a) terrestrial land
(b) ocean water
(c) gaseous atmosphere
(d) it is made up of equal parts of each
(b) Ocean water makes up most of the surface area of Earth.
Currently, radioactive waste is:
(a) not harmful
(b) primarily from fusion reactors
(c) buried underground
(d) recycled and reused
(c) Currently, radioactive waste is buried underground.
Select all that apply.
Which of the following are nonrenewable energy sources?
(a) wind
(b) oil
(c) uranium
(d) coal
(e) wood
The following are nonrenewable energy sources: (b) oil, (c) uranium, and (d) coal.
The most populous country in the world is:
(a) Japan
(b) China
(c) Russia
(d) the United States
(b) China is the most populous country in the world.
One of the biggest problems facing underseas exploration is:
(a) lack of interest
(b) underwater pressure
(c) extreme cold temperatures
(d) lack of light on the ocean floor
(b) One of the biggest problems facing underseas exploration is underwater pressure.
Almost 33% of the world's population:
(a) lives without clean water
(b) lives near nuclear power plants
(c) uses solar energy as its primary power source
(d) will live in the United States by the year 2050
(a) Almost 33% of the world's population lives without clean water.
Most of the pollution in the ocean comes from:
(a) automobiles
(b) industrial waste
(c) carbon dioxide
(d) acid rain
(b) Most of the pollution in the ocean comes from industrial waste.
The primary energy source in the United States is:
(a) solar energy
(b) nuclear power
(c) fossil fuel
(d) hydroelectric power
(c) The primary energy source in the United States is fossil fuel.
Which of the following terms would best describe the type of nation with the second highest population?
(a) underdeveloped nation
(b) developing nation
(c) developed nation
(d) overdeveloped nation
(b) Developing nation is the term that best describes the type of nation with the second highest population.
Sputnik 1 was important because it was the first:
(a) mission to Mars
(b) man-made object launched into space
(c) manned expedition into the Challenger Deep
(d) submerisble diving machine
(b) Sputnik 1 was important because it was the first man-made object launched into space.
The biosphere:
(a) ends at sea level
(b) does not include the atmosphere
(c) extends deep below the surface of the earth
(d) reaches thousands of feet above the earth
(d) The biosphere reaches thousands of feet above the earth.
The major cause of air pollution is:
(a) industrial waste
(b) sewage and pesticides
(c) car exhaust
(d) radioactive waste
(c) The major cause of air pollution is car exhaust.
Hydroelectric power plants impact the environment by:
(a) dumping radioactive waste
(b) increasing the temperature of the water
(c) decreasing the amout of oxygen in the water
(d) building dams that alter natural habitats
(d) Hydroelectric power plants impact the environment by building dams that alter natural habitats.
Fission:
(a) can produce krypton, strontium, barium, and xenon
(b) is the type of nuclear reaction that occurs in stars
(c) takes two small atoms and fuses them together to create a larger atom
(d) only produces a minimal amount of radioactive waste
(a) Fission can produce krypton, strontium, barium, and xenon.
The United States space program:
(a) sent the first man into orbit
(b) launched the first man-made object into space
(c) was the first to send man to the moon
(d) all of the above
(c) The United States space program was the first to send man to the moon.
What is the range of temperature that most organisms can survive in?
(a) 32 to 122 °C
(b) 0 to 50 °C
(c) -50 to 50 °C
(d) 0- 122 °C
(b) The range of temperature that most organisms can survive in is 0 to 50 °C.
The major benefit of solar energy is its low:
(a) cost
(b) pollution
(c) maintenance
(d) complexity
(b) The major benefit of solar energy is its low pollution.
The source of fuel for fission reactors is:
(a) hydrogen
(b) uranium-235
(c) fossil fuel
(d) water
(b) The source of fuel for fission reactors is uranium-235.
The near extinction of many bird species was caused by:
(a) acid rain
(b) use of DDT
(c) carbon dioxide pollution
(d) thermal pollution
(b) The near extinction of many bird species was caused by the use of DDT.
Nicolaus Copernicus:
(a) believed the earth revolved around the sun
(b) was considered a heretic because of his theory
(c) is generally regarded as the "Father of Astronomy"
(d) all of the above
(d) all of the above: Nicolaus Copernicus believed the earth revolved around the sun, was considered a heretic because of his theory, and is generally regarded as the "Father of Astronomy."
What makes up the biosphere?
The biosphere is made up of air, water, and soil needed to support life.
Define the term extinct.
Extinct is the state of a species that is no longer living.
What are fossil fuels made from?
(a) radioactive material
(b) harmful poisons
(c) organic material
(d) non-organic material
(c) Fossil fuels are made from organic material.
Which of the following statements most accurately describes the use of DDT in the US? Select all that apply.
(a) DDT is an ideal pesticide that revolutionized agriculture in the US.
(b) DDT was banned from use in the US after realizing many adverse effects it caused.
(c) DDT is a harmful pesticide that caused insects to become resistant to it.
(d) DDT is a harmful pesticide that causes cancer in almost all organisms susceptible to it.
The following statements most accurately describes the use of DDT in the US:
(b) DDT was banned from use in the US after realizing many adverse effects it caused.
(c) DDT is a harmful pesticide that caused insects to become resistant to it.
The quantum theory of radiation reflects:
(a) the electromagnetic theory of light
(b) the principle of the photoelectric effect
(c) the special theory of relativity
(d) the principle of superposition
(b)The quantum theory of radiation reflects the principle of the photoelectric effect.