Chapter 17 101
Chapter 17 102
Chapter 18 101
Chapter 18 102
Random
100
What are polar molecules?
What is A molecule with electrically charged parts.
100
How do wetlands help control flooding?
What is Extra runoff
100
What is a drought?
What is A prolonged period of scarce rainfall.
100
How is radar used?
What is Radar is used to track and measure the size of an approaching storm.
100
Why doesn’t an artesian well require a pump?
What is Water rises through an artesian well because of underground water pressure from an aquifer.
200
Where is 97% of the Earth’s water located?
What is In the oceans.
200
What are the (3) processes of the water cycle?
What is Evaporation, Precipitation, and Condensation
200
Water flowing swiftly is an example of what type of energy?
What is Kinetic Energy
200
Define conservation
What is It is the process of using less of a resource so that it will not be used up.
200
Explain why earth is called the “blue planet”.
What is Earth is called the “blue planet” because oceans cover nearly 71% of Earth’s surface.
300
What is a watershed?
What is The land area that supplies water to a river system.
300
Water has many unusual properties. Why?
What is Because water is a polar molecule.
300
Define potential energy.
What is Stored energy that is waiting to be used.
300
Why do engineers build dams?
What is Engineers build dams to generate hydroelectric power.
300
What is desalination?
What is A process used to obtain fresh water from salt water.
400
Why don’t plants normally grow on the bottoms of deep lakes?
What is There is not enough sunlight for photosynthesis to occur
400
List the steps of the water cycle. Be specific.
What is Water evaporates into the air, Water condenses in the form of clouds, and Water falls to Earth’s surface as precipitation.
400
Hard water contains high levels of which two minerals?
What is Magnesium and calcium
400
We use 18 liters of water every minute we are in the shower. If someone uses 360 liters of water, how long was their shower?
What is 360÷18=20 minutes
400
Why is chlorine added during water treatment?
What is In order to kill disease-causing organisms.
500
What type of material (impermeable or permeable) would be best to use to hold water?
What is A permeable material.
500
When can a large river be considered a tributary?
What is A large river can be considered a tributary if it feeds off an even larger main river.
500
What are the three major sources of water pollution?
What is Human wastes, Industrial wastes, and Chemical runoff
500
Why don't engineers build small dams?
What is because they are too expensive and do not produce much power.
500
What does acid rain result from?
What is The burning of coal, oil, and gasoline.