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10
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Fill in the missing word
Exosphere
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15
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Name 2 effects of air pollution.
1. acid rain 2. destruction of the ozone layer 3. increased greenhouse effect
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15
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What two gases does the atmosphere contain that essential for life?
oxygen and carbon dioxide
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15
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Name two things that can pollute the water.
waste from industry and towns, fuel spilled, warm water from nuclear power plants, pesticides, fertilizers, human or farm waste
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seesaw
Swap points!
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fairy
Take points!
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gift
Win 20 points!
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thief
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15
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Name two ways the atmosphere provides protection for the Earth.
1. acts as a filter by absorbing radiation and 2. protects us from meteorites
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10
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What do we call water without salt in it?
Fresh Water
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10
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Name and explain step 3 in the water cycle.
Condensation. Water vapor cools and forms water droplets and clouds
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15
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Explain step 3 in this picture.
The radiation returns to the surface of the earth
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15
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Name and explain step 4 in the urban water cycle.
Sewerage. used water is collected, usually in pipes underground and transported to wastewater treatment plant
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15
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Give two examples of surface water.
lakes, rivers, moisture in the ground, water vapor, parts of living beings
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5
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What is the chemical name for water?
H2O
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monster
Reset all scores!
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rocket
Go to first place!
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gift
Win 20 points!
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baam
Lose 20 points!
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10
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What air pollutant is this an example of?
chlorofluorocarbon compounds- CFCs
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10
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What layer of the atmosphere is between 80- 500 km altitude?
Thermosphere
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baam
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shark
Other team loses 15 points!
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fairy
Take points!
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thief
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