Shared Flashcard Set

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Pollution and the Environment
Intro to pollution and environmental impact
16
Science
3rd Grade
04/20/2015

Additional Science Flashcards

 


 

Cards

Term
What is a renewable resource?
Definition
a valuable, natural material that can be replaced
Term
What are two important renewable resources? (Can you name another?)
Definition
air and water (land)
Term
How is air replaced?
Definition
The oxygen in air is replaced by plants when they make food.
Term
How is water replaced?
Definition
The water we use is replaced when rain or snow falls from clouds.
Term
Where is most of Earth's water found?
Definition
in the salty oceans
Term
Where do we find freshwater?
Definition
in rivers, ponds, streams, and most lakes; also underground
Term
What isĀ groundwater?
Definition
water that is held in spaces within underground rocks
Term
What kind of resource is freshwater?
Definition
a limited resource
Term
What is a limited resource?
Definition
a resource that might get used up faster than it can be replaced
Term
What is pollution?
Definition
it is what happens when harmful things get into water, air, and land; it can make living things sick.
Term
Give an example of natural pollution.
Definition
Volcanoes and wildfires pollute air with dust, gases, and ash.
Term
Give 4 examples of how people cause pollution.
Definition
When people burn fuels such as gasoline they pollute the air. Also, trash, oil, and fertilizers pollute the land and water.
Term
What is a landfill?
Definition
a place for burying trash and wastes
Term
What is a mine?
Definition
a place where useful resources are removed from Earth
Term
What does conserve mean?
Definition
to use resources wisely
Term

Give 6 ways to conserve and protect renewable resources (water, land, and air)

Definition
  1. Take a quick shower instead of a bath to conserve water.
  2. Turn off the water as you brush your teeth to conserve water.
  3. Wait to run the dishwasher until it is full to conserve water.
  4. Plant trees and other plants to conserve soil.
  5. Dispose of chemicals and trash properly to protect the land and water.
  6. Ride a bike or walk instead of using a car protects the air.
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