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Earth Environmental Science Review 1-50 1.Which statement describes the Answer: motion of Earth around the C sun? A. The speed of Earth is constant regardless of its distance from the sun. B. The speed of Earth is constant because the distance remains the same between Earth and the sun. C. Speed increases the farther Earth is from the sun and decreases the closer it is to the sun. D. Speed increases the closer Earth is to the sun and decreases the farther it is from the sun. If it is summer in the Northern Hemisphere, which statement is true? A. Earth has changed the tilt of its axis by 20 degrees due to its revolution. B. It is winter in the Southern Hemisphere due to the tilt of Earth’s axis. C. It is summer in the Southern Hemisphere due to the tilt of Earth’s axis. D. It is winter in the Southern Hemisphere due to the tilt of Earth’s axis. E. Earth has reached its closest point to the sun due to its revolution. Answer: B How does a straight alignment Answer: between Earth, the sun, A and the moon, impact tides on Earth? A. It produces the greatest change in high and low tides. B. It produces the least change in high and low tides. C. It produces semidiurnal tides. D. It produces diurnal tides Which describes the difference between nuclear fission and nuclear fusion? a. Nuclear fission is the process that produces the radiant energy of stars, and nuclear fusion splits a heavier nucleus into smaller nuclei. b. Nuclear fission splits a heavier nucleus into smaller nuclei, and nuclear fusion is the process that produces the radiant energy of stars. c. Nuclear fission produces the energy of in the core of the Earth, and nuclear fusion produces energy in nuclear power plants. d. Nuclear fission produces energy in nuclear power plants, and nuclear fusion produces the energy in the core of Earth. Answer: B How does heat from the sun get to Earth? A. By radiation, using electromagnetic waves to transfer the heat. – By convection, using liquids and gases to transfer the heat – By conduction, using solids to transfer the heat – By absorption, using primary waves to transfer the heat Answer: A Why do green plants require solar energy? a. To produce their own food b. To absorb nitrogen into their roots c. To release carbon dioxide into the atmosphere d. To decompose the dead or decaying remains of an animal Answer: A How could the removal of trees and other vegetation impact an environment? A. By increasing oxygen production B. By increasing soil formation C. By increasing transpiration D. By increasing erosion Answer: D Why are ocean currents important to coastal regions? a. They produce high and low tides along coastal regions b. They can warm or cool the air temperatures along coastal regions. c. They move vertically pushing warm water and nutrients to the surface along coastal regions. d. They increase the rate of precipitation as cold water moves along coastal regions. Answer: B In which atmospheric layer of Earth do thunderstorms occur? a. b. c. d. Thermosphere mesosphere Stratosphere troposphere Answer: D Which gas makes up the largest component of the Earth’s atmosphere? A. B. C. D. Argon oxygen nitrogen carbon dioxide Answer: C Which statement describes the general movement of air masses? a. They move from areas of high pressure to areas of low pressure. b. They move from areas of high altitude to areas of low altitude. c. They move from areas of low humidity to areas of high humidity. d. They move from areas of low temperature to areas of high temperature Answer: A Which most likely occurs when a fast-moving cold air mass moves into a region of warmer, moist air? a. It causes light precipitation for a long period of time. b. It causes light precipitation for a short period of time. c. It causes heavy precipitation for a long period of time. d. It causes heavy precipitation for a short period of time Answer: D Which contributes to the Answer: formation of hurricanes C during the late summer? A. The interaction between ocean water salinity and warm air masses. B. The interaction between ocean water currents and polar air masses. C. The interaction between ocean water temperatures and warm air masses. D. The interaction between ocean water salinity and ocean water density Which is a major source of air Answer: pollution created by B humans? A. Hydroelectric plants B. Industrial factories C. Reforestation D. Nuclear power Which can lead to the depletion of the ozone layer of Earth? A. Coal fired power plants B. Vehicle exhaust C. Burning compost D. aerosols Answer: D How is climate different than Answer: weather? D A. Climate is constantly changing, whereas, weather changes slowly over time. B. Climate influences people’s daily activities, whereas, weather influences people’s seasonal activities. C. Climate refers to the atmospheric conditions on a given date, whereas, weather refers to the atmospheric conditions during a given season. D. Climate is based on the observations made for a region over several years, whereas weather is based on day to day observations made for a region. By 1901, global surface Answer: temperatures have risen at C an average rate of 0.13 degrees F every 10 years. In which way could the average increase in global temperatures influence Earth? a. By decreasing erosion within coastal ecosystems b. By decreasing periods of drought in all water systems c. By increasing the amount of flooding because of rising sea levels. d. By increasing the formation of sea ice within polar regions Which example describes an Answer: abiotic factor that could C impact the diversity of an ecosystem? A. An increase in prey can impact the number of predators in an ecosystem. B. The introduction of an invasive species can change the amount of available resources in an ecosystem. C. An increase in the amount of acid rain can change the pH of the soil in an ecosystem. D. The competition for food can impact the survival rate between members of the same species in an ecosystem. Why would citizens be advised Answer: to recycle plastic products? A A. The products are not biodegradable and it would decrease the consumption of petroleum products. B. This would increase the consumption of petroleum products. C. This would decrease the amount of green industry jobs. D. The products can be made into expensive public art. Why does Earth experience Answer: precession? D A. Because Earth revolves around the sun every 365 days. B. Because of the movement of the circumpolar stars and Polaris. C. Because Earth is the third planet from the sun. D. Because the plane of the moon’s orbit is tilted from Earth’s elliptical plane. Which of the following Answer: chemical reactions produce C the sun’s energy? A. Helium nuclei are combined by nuclear fission. B. Oxygen is present to cause combustion of solar fuel molecules. C. Hydrogen nuclei combine through nuclear fusion into helium. D. Helium and oxygen break down through nuclear fission. The Earth’s atmosphere is Answer: mainly composed of which A 2 gases? A. Nitrogen and oxygen B. Carbon dioxide and oxygen C. Methane and oxygen D. Oxygen and carbon dioxide How does a cold front form? Answer: A. Warm air advances and B replaces cold air B. Cold air advances forcing warm air to rise C. Warm and cold air masses mix and meet D. Warm and cold air masses have no relative advancement On an August afternoon in NC Answer: the barometric pressure is B 29.92 inches and falling. What weather condition is likely to happen? A. Clearing skies and cooler temperatures B. Continued fair weather C. An imminent storm D. Conditions will slowly improve Where would the highest amounts of acid rain most likely be found? A. Over the ocean B. In the forest C. In urban areas D. In the mountains Answer: C What is the major difference between weather and climate? A. Air temperature B. Air pressure C. Humidity D. Time Answer: D Which of the following is an Answer: example of climate? D a. The current temperature in Greenville, NC is 29 degrees C. b. The relative humidity in Raleigh is 97%. c. The average current temperature in Raleigh is 77 degrees. d. The average temperature in Beaufort County over the past for the past 30 years is 80 degrees Celsius. Which phrase describes how the sun’s rays strike Earth at the equator? A. At a low angle B. At nearly a 90 degree angle C. 18 hours a day D. No more than 8 hours a day Answer: B When a moving air mass Answer: encounters a mountain B range, how does it behave? A. Stops moving B. Rises and cools C. Slows and sinks D. Reverses it direction Name the process by which ice changes directly into water vapor. a. Advection b. Convection c. Sublimation d. condensation Answer: C What happens to the airs capacity for holding water when the temperature drops? A. Slightly higher B. About the same C. Much higher D. lower Answer: D Around Los Angeles, frequent Answer: temperature inversions are B the result of cool, polluted air being trapped by A. Acid rain B. Mountains C. A layer of warmer air D. The ocean Which items below radiate energy? a. Sun b. Earth’s surface c. The atmosphere d. All of the above Answer: D Name the type of air mass Answer: that forms over the Gulf of D Mexico. A. cP air mass B. cT air mass C. mP air mass D. mT air mass A cold front A. Is the boundary between a retreating cold air mass and an advancing warm air mass B. Is associated with fair weather C. Forces warmer air ahead of it to rise D. Is marked on a weather map by a slightly curving isobar Answer: C Which statement describes areas near the equator? A. High average temperatures and large yearly temperature ranges B. Long nights and short days C. High average temperatures and small yearly temperature ranges D. Very long nights during the winter Answer: C Which form of radiation has the longest wavelength? A. Blue light B. Radio waves C. Infrared waves D. UV Answer: C Identify the season when the Answer: sun’s rays reach their D highest angle in the Northern Hemisphere. a. b. c. d. Spring Winter fall summer Which term below is used to identify the wobbling motion made by Earth’s axis as it turns in space? a. b. c. d. Precession Gravity Plasticity nutation Answer: D Which statement below Answer: would best describe spring A tides? a. Spring tides are especially high and low tides that occur which occur twice a month. b. Spring tides are especially high and low tides that occur when the moon is in the first quarter and the third quarter phase. c. The spring tides are not especially high or low. Which process in the nebular Answer: hypothesis results in the a formation of a star? a. Nuclear fusion b. Nuclear fission c. Both of the above d. Neither of the above Identify the phase of the moon that a neap tide would occur during. a. Full moon b. new moon c. first-quarter moon d. third-quarter moon e. a and c f. c and d Answer: F The tidal ranges of lakes and other minor bodies of water are so small that they are almost invisible. Why might this be so? a. The amount of water is so much more that the moon’s gravity does not impact it. b. There is significantly less water for the moon to pull on. c. Lakes are more greatly impacted by the gravitational pull of the sun than the moon. Answer: b Name the galaxy that you live Answer: in. B a. b. c. d. Local Cluster Milky Way Tri-Sun Galaxy none of the above Which statement below best Answer: explains differential C heating of land and water? a. Water heats and cools much more quickly than land. b. Water heats more quickly than land and cools more quickly than land. c. Land heats and cools more quickly than water. d. Land heats more quickly than water and cools slower than water. Which motion of Earth is Answer: responsible for creating its D bulge in the center? a. b. c. d. Nutation Precession revolution rotation Which statement below best describes Earth’s pathway around the sun according to Kepler’s First Law of Motion? a. It travels in a perfectly circle pattern. b. It changes every 10 years by 115 degrees. c. It travels in an elliptical pathway. D. both A and C Answer: C According to Kepler’s Second Answer: Law of Motion, where B would a planet travel faster in its orbit around the sun? a. When it is closest to the sun. b. When it is farthest away from the sun. c. When it is halfway between the point where it closest to the sun and farthest from the sun. d. It will always travel the exact same speed. Name the motion of Earth Answer: that is responsible for C creating the calendar year. a. b. c. d. Nutation Precession revolution rotation Which electromagnetic wave Answer: has the shortest d wavelength? a. b. c. d. Infrared light visible light ultraviolet light X-ray How is solar energy essential to Answer: plants? B A. The UV radiation of the sun generates ozone for plants to support all life. B. The wavelengths of visible light stimulate the plant cells to produce energy compounds by photosynthesis. C. The microwaves emitted by the sun stimulate animal reproduction in the rainforest. D. The infrared radiation reflected from the Earth’s surface drives the carbon, oxygen, and nitrogen cycles. On a map showing Answer: temperature distributions, B what are the lines connecting points of equal temperatures? A. Isobars B. Isotherms C. Isotemps D. equigrads What are the 2 principle Answer: absorbers of radiation C emitted by Earth’s surface? A. Carbon dioxide and nitrogen B. Carbon dioxide and ozone C. Carbon dioxide and water vapor D. Carbon dioxide and oxygen