Gizmo

Topics: Eutrophication Pages: 4 (329 words) Published: April 17, 2014

Activity A:

Types of water pollutionGet the Gizmo ready:
Check that the TYPE tab and Toxic pollution are selected.

Question: What are the main types of water pollution?

1.Read and learn: Besides toxic pollution, the other types of pollution are sediment pollution, nutrient pollution, and bacterial pollution. You have already described toxic pollution on the previous page. Read about the other types, and describe each in your own words.

Sediment pollution

Description: is the pollution brought about by rivers carrying dust and other fine or coarse particles.

Causes: deforestation, poor farming practices, industrial dumping of waste that is unregulated.

Consequences: poor light quality is the first consequence of high sediment concentration in the water.

Nutrient pollution

Description: __________________________________________________________

__________________________________________________________

Causes: __________________________________________________________

__________________________________________________________

Consequences: __________________________________________________________

Bacterial pollution

Description: __________________________________________________________

__________________________________________________________

Causes: __________________________________________________________

__________________________________________________________

Consequences: __________________________________________________________

Activity B:

Real-world examplesGet the Gizmo ready:
Select the EXAMPLE tab.
Check that example 1/12 is selected. (If not, use the arrow buttons to get to example 1/12.)

Question: What are the real-world causes of water pollution?

1.Practice: For each Real-world example presented in the Gizmo, guess which type or types of pollution will result by checking the boxes. When you are ready, click Check answer to...
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