Pollution and atmosphere Review A, B, C, or D? 3…2…1… UP!

Question 1 Has the ozone layer, absorbs UV Contains all oxygen Why is the stratosphere important? Has the ozone layer, absorbs UV Contains all oxygen Protects life from acid rain Used for satellite communication

Question 2 Which of the following is TRUE? Point source pollution comes from multiple, known places. Point source pollution only occurs in water. Point source pollution comes from a single, known site. Point source pollution happens only in rural areas.

Question 3 Air density Air pressure Temperature Weather Scientists divide Earth’s atmosphere into main layers based on changing ________ Air density Air pressure Temperature Weather

Question 4 Which of the following would be considered non-point source pollution? Damaged water pipe under city street Leaking tank at a gas station Train car derails and spills chemicals Chemical run-off from farm fields

Question 5 Nitrogen and water vapor Carbon dioxide and oxygen What are the two most common gases in our atmosphere? Nitrogen and water vapor Carbon dioxide and oxygen Oxygen and nitrogen Nitrogen and ozone

Question 6 What do some scientists believe to be the cause of the hole in the ozone layer? Carbon monoxide Chlorofluorocarbons (CFCs) Ultraviolet radiation Carbon dioxide

Question 7 Dense, innermost layer Thin air, very high temperatures Which best describes the troposphere? Dense, innermost layer Thin air, very high temperatures Gradually blends with outer space Holds electrically charged ions

Question 8 The atmosphere gets thinner. If burning fossil fuels continues to add more carbon dioxide to the air, what might happen? The atmosphere gets thinner. The amount of carbon dioxide decreases. Global temperatures will rise. Ozone will cause temperatures to decrease.

Question 9 automobiles Factories Deforestation All of the above Which of the following might increase the amount of carbon dioxide in the air? automobiles Factories Deforestation All of the above Only A and C

Question 10 Toxins show up in the water wells of a small town. The residents also notice damage to local pine trees. The toxins are produced by a factory that is miles away. What happened ? Smoke released from the factory became acid rain. A polluted stream from a different city brought those chemicals. Trucks carrying shipments of the chemical spilled near the town. A chemical mist was carried from the factory towards the town.

Question 11 What can farmers do to prevent excess nutrients from entering the watershed? Use the least amount of fertilizer possible Keep manure in a pile in the field Use water hoses to rinse crops off Use airplanes to spread pesticides

Question 12 Troposphere Stratosphere Mesosphere Thermosphere Which layer of the atmosphere protects Earth’s surface from meteoroids? Troposphere Stratosphere Mesosphere Thermosphere

Question 13 Which of the following is FALSE? Some air pollution occurs naturally. Some air pollution is caused by human activity. Motor vehicles cause more than half of the human-related air pollution. Smoke and ash from a volcanic eruption do not count as air pollution.

Question 14 Ozone Solar energy Water vapor Oxygen Some parts of the atmosphere are “warmer” because they contain gases that absorb __________ . Ozone Solar energy Water vapor Oxygen

Question 15 Which of the following is TRUE? Less molecules in a given volume = greater density Density is the column of air pushing down on an area As altitude increases, air pressure increases As altitude increases, air pressure decreases

Question 16 Bad stuff Pores Pollutants Ions What do we call harmful substances in air, water, or soil? Bad stuff Pores Pollutants Ions

Question 17 Which of the following is FALSE? Phosphorus and nitrogen cause algal bloom. Fertilizers cause algae growth to decrease. Decomposers use oxygen to break down algae. Fish become sick and die with less oxygen in the water.

Question 18 London-type smog Photochemical smog Acid rain What forms in large cities when sunlight acts on pollutants? London-type smog Photochemical smog Acid rain None of the above

Question 19 Which term means how easily water flows through the spaces between soil and rock particles? porosity flowability permeability velocity

Question 20 Acid rain can form from burning fossil fuels. Which of the following is FALSE? Acid rain can form from burning fossil fuels. Acid rain can make pine needles fall off. Acid rain can cause lakes and ponds to be unlivable. Acid rain is not harmful to the soil it falls on.