9.25.T - Lesson: Threats to Water Resources
Jennifer Marohn 9.25.T - Lesson: Threats to Water Resources
Water pollution can be divided into four main categories:
Write the definition of thermal pollution.
Thermal pollution changes some things in the water when the companies put it back into streams, rivers, oceans, or ponds. What are they?
Please use your lesson and the paragraph below to answer the question.
Select all that apply.
Changes the water tempature
It makes the water sweeter
Makes the water change colors
It can change the oxygen levels in the water.
Makes the water bubblely
What are the two main sources of chemical pollution?
Name two ways that companies can cause chemical pollution, and then name one-way farmers can cause chemical pollution.
Biological pollution is only man-made.
True
False
What is water called that humans have used?
Choose the correct definition for "Eutrophication."
An increase in the number of nutrients in water
The process of distilling water
An increase in the amount of minerals in the water
Why do humans build canals?
To make sure the river water does not flow into the city
To control the flow of water
To limit the amount of water people are allowed to use
What caused the Aral Sea in Central Asia to shrink?
Other worksheets of Natural science: Ecosystems
