Exam

Gizmo Water Pollution _2021 | ALL ANSWERS CORRECT

Vocabulary: bacterial pollution, nutrient pollution, sediment pollution, toxic pollution, water pollution Prior Knowledge Questions (Do these BEFORE usin g 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: Types of water pollution Get 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