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Team 2
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Teams
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Score
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monster
Reset all scores!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 5 points!
Okay!
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banana
Go to last place!
Oops!
15
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Name three or more things that pollute the water
Waste water treatment plants (water from our toilets and sinks); fertilisers and pesticides from agriculture; plastics from boats; oil spills...
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10
×
True or False: The hydrosphere keeps the Earth warm by absorbing the heat of the sun
True
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15
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TRUE OR FALSE: Water heats up and cools quickly.
False. Water has resistance to change its temperature.
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15
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TRUE OR FALSE: Water expands when it freezes.
True. Ice is less dense than water (and that is why ice floats on liquid water).
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baam
Lose 15 points!
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gift
Win 25 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 20 points!
Oops!
20
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Why is water called the "universal solvent"?
It dissolves more substances than any other liquid.
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20
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Why does water move from the roots to the leaves of plants?
Capillary action (because of adhesion and cohesion)
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eraser
Reset score!
Oops!
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gift
Win 10 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 10 points!
Oops!
15
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What elements make up a water molecule?
Hydrogen (2 atoms) and oxygen (1 atom)
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15
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Cigarette filters are a particularly big problem for the environment. Why is that?
Because it is common to throw the cigarette butts on the ground after smoking.
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10
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True or false: A vegetable-rich diet needs less water than a diet rich in animal products.
True, a plant-based diet can reduce water consumption by up to 50 percent (and is better for your health).
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15
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Water that is released from clouds in the sky; includes rain, snow, hail...
Precipitation
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15
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What percentage of the Earth's surface is covered in water?
About 70%
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15
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What percentage of the Earth's water is salt water?
About 97 %
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10
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Icebergs are water in _____________ state
solid
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