Human Impact on Earth (unit 9)

Natural Resources (9-1)

100

Wilson and Khimani were driving Miss Carp crazy, so she sent them on a scavenger hunt to find Natural Resources. Which of the following is a Natural Resource? (A. Rock) (B. Glass) (C. Steel) (D. Concrete)

A. Rock

200

Which of these activities requires the use of a MATERIAL Resource? (A. Heating a home) (B. Manufacturing steel) (C. Climbing a tall mountain) (D. Generating an electric current)

B) Manufacturing steel

300

Why are food crops thought of as RENEWABLE Resources? (A. They are necessary for human life) (B. They are not very expensive to grow) (C. New crops can be planted every growing season) (D. They cannot be replaced as quickly as they are used)

C) New crops can be planted every growing season

400

Briana taught the class that coal is a nonrenewable resource. Why is coal considered nonrenewable? (A. Coal will never run out) (B. No new coal is being produced on earth) (C. Coal is used to produce energy) (D. Coal is being used faster than it is being produced)

D) Coal is being used faster than it is being produced

500

What do coal, petroleum, and wood have in common? (A. All are considered nonrenewable resources.) (B. All are categorized as renewable resources.) (C. All can be categorized as energy resources.) (D. All can be considered inexhaustible resources.)

C) All can be categorized as energy resources.

Human Impact- Land (9-2)

100

Several factors can lead to soil erosion. Which of these human activities is MOST LIKELY to contribute to soil erosion? (A. clearing land for farming) (B. planting trees and vegetation) (C. designating land as a wildlife habitat) (D. reducing the amount of livestock in an area)

A. Clearing land for farming

200

Chiara and Kelsie (when they are old ladies) have lived in a town outside of a major city for more than 50 years! Over this time, Chiara and Kelsie have observed the development of her town, including the construction of new roads and houses, and the loss of natural areas. Which of these terms best describes what happened in the town where Old Lady Chiara and Old Lady Kelsie live? (A. Land Pollution) (B. Nutrient Pollution) (C. Urban Sprawl) (D. Desertification)

C. Urban Sprawl

300

Erosion is the process by which soil and sediments are moved by gravity, wind, and water. Erosion occurs naturally, but it can be accelerated by human activity. Which of these human activities MOST contributes to soil erosion? (A. Biking on forest trails) (B. Boating on a lake) (C. Cutting down trees) (D. Fertilizing a lawn)

C. Cutting down trees

400

Andrea and Andres live in an area that has very few residents. Their nearest neighbor is 2 miles away! There are large open spaces, several agricultural farms, and a few recreational parks. In what type of area do Andrea and Andres live? (A. Rural area) (B. Urban area) (C. Natural area) (D. Suburban area)

A. Rural area

500

Caio and Gabe are neighbors, most people in their neighborhood use public transportation. Open space is limited because most of the area is covered with buildings and roads, and traffic is heavy, In what kind of area do Caio and Gabe live? (A. Agricultural area) (B. Rural area) (C. Urban area) (D. Natural area)

C. Urban area

Human Impact- Water (9-3)

100

The government (with the help of Government Agent Brian Gleed) sets standards for safe, clean, drinking water. What federal agency is directly responsible for setting these standards? (A. Central Intelligence- CIA) (B. Environmental Protection Agency- EPA) (C. Federal Bureau of Investigation- FBI) (D. NASA)

B. Environmental Protection Agency- EPA

200

Water pollution can affect the ability of organisms to survive. Which of these choices BEST expresses the concept of water pollution? (A. Any "pH" change in the water.) (B. Any change in the water that can cause harm to an organism.) (C. Any concentration change in the water.) (D. Any chemical that enters the water by human activity.)

B. Any change in the water that can cause harm to an organism

300

Alec and Daniel want to find some facts about acid rain. Which of these statements is TRUE of acid rain? (A. Acid rain is used to irrigation.) (B. Acid rain has a pH greater than 5.7) (C. Acid rain is precipitation that causes erosion.) (D. Acid rain is precipitation that is more acidic than normal.)

D. Acid rain is precipitation that is more acidic than normal.

400

Arisbeth and Elisha were hired by the Carp Company to dig a channel or build a dam on a river. What is the MAIN purpose of digging a channel or building a dam on a river? (A. To change the pH of the water) (B. to change the temperature of the water) (C. to alter the flow of the river in a specific direction) (D. to accelerate the rate at which the soil erodes)

C. to alter the flow of the river in a specific direction

500

Humans need fresh, clean water to survive. Which of these statements is TRUE about fresh water? (A. An unlimited amount of fresh water is available on Earth.) (B. In some places on Earth, fresh water is being used up faster than it can be replaced.) (C. The global population is currently decreasing, and people are using less fresh water.) (D. Fresh water was once considered a renewable resource, but today it is considered and inexhaustible resource.)

B. In some places on Earth, fresh water is being used up faster than it can be replaced.

Human Impact- Atmosphere (9-4)

100

The air helps regulate Earth's atmosphere so that is is not too hot or too cold for life on Earth. The air also protects organisms from the sun's harmful radiation. These are reasons air is an important resource. Which of these statements provides a MAJOR reason that air is considered an important resource? (A. Birds use air to allow them to fly.) (B. Clouds are moved from place to place by air.) (C. Animals need air to breathe and thus survive.) (D. Water is evaporated into the air to create precipitation.)

C. Animals need air to breathe and thus survive.

200

There are many sources of air pollution in the United States and around the world. Some are natural resources, and others come from humans. Which of these examples is a HUMAN source of air pollution? (A. dust storms) (B. volcanic ash) (C. industrial emissions) (D. forest fires caused by lightening)

C. industrial emissions

300

Smog is a pollutant that can cause serious health problems. Smog is most often seen over large cities. Which of these substances is a MAIN ingredient of smog? (A. volcanic ash.) (B. vehicle exhaust) (C. carbon dioxide) (D. acidic precipitation)

B. vehicle exhaust

400

Acidic precipitation is created when pollutants released from the burning of fossil fuels combine with water in the air. The acid precipitation falls to the ground. Which of these is the MOST LIKELY effect of acid precipitation? (A. erosion) (B. soil runoff) (C. damage to tree leaves) (D. improvement in soil quality)

C. damage to tree leaves

500

Air quality is a measure of how clean or polluted the air is. Which of the following is a common way to determine air quality? (A. measuring the temperature of the air) (B. measuring the amount of ground-level ozone) (C. measuring the amount of oxygen in the air) (D. measuring the number of air-related health issues people have)

B. measuring the amount of ground-level ozone

Protecting Land, Water, & Air (9-5)

100

Which best describes reclamation? (A. the planting of trees to reestablish the forest lands.) (B. the protection of a land area to prevent it from being damaged or changed.) (C. the designing of a community with residential and commercial properties located close to each other.) (D. the process of returning a land area to the condition it was in before humans used the land.)

D. the process of returning a land area to the condition it was in before humans used the land.

200

Reforestation is the planting of trees that have been cut down by loggers and builders. How could reforestation benefit a community? (A. It limits the space available for building homes and businesses.) (B. It decreases the chances of a forest fire spreading near people's homes because of new tree growth.) (C. It decreases the land available for growing crops and raising livestock.) (D. It rebuilds forests, which provide shelter to animals, plants, and other resources.)

D. It rebuilds forests, which provide shelter to animals, plants, and other resources.

300

This is the careful and responsible management of a resource. (A. Conservation) (B. Stewardship) (C. Recycling) (D. Greenhouse Effect)

B. Stewardship

400

How could throwing a used battery in the trash lead to pollution? (A. Used batteries in trash that gets burned could cause thermal water pollution.) (B. All batteries can be recharged so they should not be thrown away.) (C. It does not lead to pollution because the chemicals in the battery are permanently contained inside the batter.) (D. Acids or bases from the battery could soak into landfill soil and pollute nearby groundwater.)

D. Acids or bases from the battery could soak into landfill soil and pollute nearby groundwater.

500

What is one way that you could work toward improving your area's water quality? (A. buy cleaning products that are nontoxic.) (B. buy fertilizers that help garden plants grow.) (C. buy bottled water instead of water purifiers.) (D. buy pesticides that keep weeds from growing.)

A. buy cleaning products that are nontoxic