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POLLUTION
| Question | Answer |
|---|---|
| hazardous waste | waste that can pollute the environment even in small amounts (motor oil, paint, insect sprays, and cleaning supplies are examples) |
| litter | Trash and other items scattered about the environment by humans |
| pollutant | a material that causes pollution |
| pollution | the addition of harmful materials to the environment |
| biodegradable material | matter that breaks down easily in the environment (paper, cardboard, and untreated wood) |
| recycle | to collect old materials, process them, and make new items. |
| reuse | to use a material more than once |
| conservation | the act of protecting our resources including the land, water, plants, animals, and air (you can recycle, practice green agriculture, and use biodegradable materials) |
| acid rain | polluted precipitation (rain) |
| Name some materials that can be recycled | paper, plastics, aluminum, cardboard, styrofoam (egg cartons) |
| How can you help protect the environment? | pick up trash, turn off lights and electronics when not in use, walk when you can instead of driving, turn off water when brushing teeth, recycle |
| air pollution | when harmful substances get into the atmosphere - the pollution is harmful to humans and animals as they breathe. |
| land pollution | Pollution that builds up on the ground and land of Earth. Farmers and gardeners damage the soil by using too many chemicals to fight weeds and harmful insects. |
| non-biodegradable materials | materials that do not break down (metals, many chemicals, and most plastics) |
| reduce | to use less of something (ex: use a thermos instead of plastic water bottle) |
| water pollution | unwanted waste or chemicals that flow into streams, rivers, lakes, ponds, or oceans |
| renewable resources | a resource that can be replaced (ex. A tree can be cut down but a new one can be planted and will grow). |
| nonrenewable resources | a resource that cannot be replaced (ex. oil, coal, natural gas are not replaced once they are removed from earth) |
| deforestation | pollution that impacts the land - deforestation is the removing of forests |
| natural resource | A material that is “nature made” that is necessary or useful to people (ex: a tree comes from nature and is not made by a person) |
| ecosystem | All the living and nonliving things in a place. |
Created by:
evananna
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