Materials that occur in nature that can be used by people.
What is a natural resource
What is air pollution?
any type of substance that is in air and makes it unsafe to breathe.
What kinds of human activities could affect the quality of water?
What is putting garbage in waterways, boating, washing dishes, shampooing your hair.
How can we reduce the amount of garbage that goes into a landfill?
Recycle, or reuse materials before throwing things away.
What do people need to do to build on land?
tear down the trees, pour concrete, and build
conserve
Why would cities have more air pollution than other places?
because there are more people and more car exhaust and factory emissions.
What are things people can do to conserve water?
what is turn off water when brushing your teeth,
take quicker showers, put water in the sink when washing the dishes instead of letting water run.
Why does land become contaminated?
Because things are not properly disposed in the garbage or a landfill.
Why is land surveying important?
so that people can know if its ok to build there.
a place where waste is buried underground
a landfill
burning eyes, breathing problems and coughing are all results of what?
Air pollution
What happens when oil spills into water?
it kills wildlife, including algae, fish and birds.
After much time a landfill is filled and can become...?
Trails or parks
What is the result of there being no water on Mars?
No life
a type of air pollution that results from a mixture of gases from burning fuels, air, and sunlight that makes air look hazy.
SMOG
If the air quality shows red what should people do?
Stay inside due to bad air quality.
When removing trash from the water or ocean why is it important to not remove the tiny plants and animals living there?
Because they are important to food chain and ecosystem.
What happens to a banana when it is left for a long time?
it would degrade because it is biodegradable
What are two materials are placed at the bottom of a properly built landfill to help keep waste from leaking into the soil?
Trash, sand and gravel, collection pipes, plastic liner, clay barrier, natural ground
Biodegradable
describing material that decays through the action of bacteria or other living organisms.
Name two ways people can reduce air pollution and explain how one of them helps improve air quality.
People can reduce air pollution by using clean energy, limiting car exhaust or factory emissions, planting more trees, or using scrubbers on smokestacks. One example is scrubbers, which help by removing chemicals and ash before factory air is released.
water that has been used by people is called what?
Wastewater
What is crop rotation?
the practice of changing the type of crop grown in a field each season.
Why is learning about pollution important?
Because if we don't do our part in protecting earth's resources it effects the quality of our lives, and the lives of others/future people.