Gizmos Student Exploration: Water Pollution. Latest 2022

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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?

Clorox, window cleaner, electronic devices with cords

2 What are some other causes of water pollution? Oil and waste


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? Can cause death, diseases, and
birth diffects


2 What are some examples of toxic pollutants listed in the Gizmo? Pesticides and mercury


3 Can you think of other examples of toxic substances, not listed in the Gizmo? Household
chemicals, other acidic objects, gas, and oil

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