Gizmo: Example Pollution Type

Name: ______________________________________ Date: ________________________

Student Exploration: Water Pollution
Vocabulary: bacterial pollution, nutrient pollution, sediment pollution, toxic pollution, water pollution
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1. Water pollution is the addition of harmful substances to water. Some of these substances are found at home. What household chemicals might be harmful if not disposed of properly?
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2. What are some other causes of water pollution? __________________________________ _________________________________________________________________________ _________________________________________________________________________
Gizmo Warm-up
The Water Pollution Gizmo™ will teach you about some of the main kinds of water pollution. On the TYPE tab, under Types of pollution, check that Toxic is selected. Read the paragraphs on the right and bottom of the Gizmo.
1. What is toxic pollution? _____________________________ _________________________________________________ _________________________________________________
2. What are some examples of toxic pollutants listed in the Gizmo? _____________________ ________________________________________________________________________
3. Can you think of other examples of toxic substances, not listed in the Gizmo? __________ _________________________________________________________________________

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|Activity A: |Get the Gizmo ready: |[pic] |
| |Check that the TYPE tab and Toxic pollution are selected. | |
|Types of water