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Chapter 3-1 Science
6th Grade Study Cards
| Term | Definition |
|---|---|
| natural resources | Anything in the environment that is used by people |
| renewable resource | They are resources that are either always available or are naturally replaced in a relatively short time. |
| oil and coal | type of nonrenewable resources |
| sunlight, wind, fresh water, and trees | type of renewable resources |
| pollution | The contamination of Earth's land, water, or air |
| Burning of gasoline | type of pollution |
| Environmental Science | The study of natural processes in the environment and how humans can affect them. |
| John Muir | He helped establish Yosemite National Park in 1890. |
| Theodore Roosevelt | Established the first National Wildlife Refuge on Pelican Island, Florida, to protect the brown pelicanin 1903. |
| Antarctica | This place is bigger than the U. S. and Mexico combined; is covered with more that two kilometers of ice; is a unique habitat for many animals; and is a source of oil, coal, and iron. |
| 1. Resource Use 2. Population Growth 3. Pollution | What are the three general categories that environmental issues fall into? |
| Rachel Carson | Biologist who wrote Silent Spring in 1962 |
| Wangari Maathai | Biologist who founded the Green Belt Movement in 1977. |
| Gifford Pinchot | Forestry scientist who was appointed the director of the U. S. Forest Service in 1905. |
| Aldo Leopold | He wrote A Sand County Almanac that was published after his death in 1949. |
| Marjory Stoneman Douglas | At 79, this journalist founded Friends of the Everglades. This grassroots organization is dedicated to preserving the unique Florida ecosystem in 1969. |
| Decision-makers must weight the costs and benefits of an environmental proposal. | What do environmentalists do to balance the different opinion on an environmental issue? |
| personal, local, national, or global | Environmental issues decisions can be made at ________________, ____________, ___________, and ____________ levels. |
| chemicals, waste, heat, noise, and light | Pollution can be caused by a variety of factors including _________________________________. |
| wildlife; human health | Pollution can destroy ________________ and cause _____ _______ problems. |
| the demand for natural resources also grows. | Population growth is an environmental issue because ________________________. |
| d. St. John's | 1. What is the longest river in Florida? a. Suwannee b. Loxahatchee c. Santa Fe d. St. Johns |
| a. Okeechobee | What is the largest lake in Florida? a. Okeechobee b. George c. Kissimmee d. Monroe e. Orange |
| b. aquifer | A layer of rock, sand or gravel below the Earth?s surface that holds water; an underground reservoir: a. nutrient b. aquifer c. estuary d. xeriscape |
| a. Guy Bradley | 4. Who was one of the first wardens commissioned to enforce wildlife protection laws? a. Guy Bradley b. Theodore Roosevelt c. Franklin D. Roosevelt d. Marjory Stoneman Douglas |
| c. The Cross Florida Greenway | . This crosses central Florida from the Gulf of Mexico to the St. Johns River: a. St. Johns River b. Everglades c. The Cross Florida Greenway d. Lake Okeechobee |
| a. desalination | The process of removing salt and other minerals, usually from sea water: a. desalination b. irrigation c. decomposition d. condensation |
| 1. Removing trees changes the ecosystem which is an ecological cost. 2. Clears land for population growth, as well as, providing wood for building growth has an economic benefit to the community. | How might a growing population affect the supply of trees, a renewable resource? |
| 1. Economic cost--It would be very expensive to set up a drilling operation in such a cold and distant place. It would also be costly to transport the oil. 2. Noneconomic cost--An oil spill around Antarctica could harm the fish, penguins,and seals. | Name one economic cost and one noneconomic cost of drilling for oil in Antarctica. |
| Oil drilling would provide a new supply of oil for heat, electricity, and transportation. If the supply of oil were larger, the price might drop. It would create many new jobs. | List one or more benefits of drilling in Antarctica |
| Economic benefit and cost Ecological cost and benefit | What are two types of costs and benefits? |
| It helps decision makers balance the different opinions on an environmental issue and make a more informed decision. | Why is weighing costs and benefits useful for decision makers? |
Created by:
dsimmons
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