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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