Show:
The water cycle
Vocabulary
Conservation
Pollution
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100
What is the first step of the water cycle?
Evaporation
100
What is groundwater?
Water held in rocks and soil underneath the ground.
100
What are the three ways we can conserve our resources?
Reduce,reuse,recycle
100
What is pollution?
Pollution is caused when harmful materials get into the air,water or land.
100
Why is coal a nonrenewable resource?
It takes millions of years to form. Once it runs out we cannot get it back.
200
What powers the water cycle?
The sun
200
What is the name for a large wall that holds back a river?
A dam
200
What are some materials that we can recycle?
Plastic,glass,tin cans,paper,etc
200
Give an example of air pollution.
Polluted air can cause polluted rain water which may damage trees,buildings and water supplies.
200
How does mining affect the land?
It causes damage to the land.
300
What is the name for gas turning back into liquid?
condensation
300
Describe an aqueduct. What is it used for?
Pipes or ditches used for water to travel through.
300
How can we conserve water?
Answers may vary
300
How do humans cause water pollution?
Humans add soap and fertilizers to water.
300
What would happen to the water in a lake on a hot day?Why?
Some of the water would evaporate because of the water cycle.
400
What is another name for rain,sleet,snow or hail?
Precipitation
400
What is a nonrenewable resource? Give an example.
A resource that cannot be reused or replaced easily. Examples include minerals,metals,fossil fuels.
400
Why is it important to conserve water?
Answers may vary but could include: People use water in many ways and if we are not careful fresh water could run out.
400
What is an example of land pollution?
People produce trash and it takes up space and damages the land.
400
Where is most of Earth's water found?
Oceans
500
What is the name for water in gas form?
Water vapor
500
What does it mean to 'conserve' something?
To use it wisely,not wastefully.
500
Explain why trees are a renewable resource?
We can plant more to replace them.
500
How can we help fight pollution?
Reduce,reuse,recycle. Answers may vary.
500
What is a natural resource?
A material on Earth that is useful or neccessary to us.