Water is the only natural substance that can be found in the three states: ______. ___________ and ___________
solid, liquid and gas
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thief
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5
10
15
20
25
gift
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shark
Other team loses 15 points!
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lifesaver
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10
Icebergs are water in _____________ state
solid
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10
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
What percentage of the Earth's water is salt water?
About 97 %
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heart
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magnet
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gift
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baam
Lose 20 points!
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heart
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seesaw
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shark
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lifesaver
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15
Water that is released from clouds in the sky; includes rain, snow, hail...
Precipitation
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15
TRUE OR FALSE: Water heats up and cools quickly.
False. Water has resistance to change its temperature.
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15
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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20
What property of water allows insects to walk on water?
High surface tension
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20
Why does water move from the roots to the leaves of plants?
Capillary action (because of adhesion and cohesion)
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15
What is plastic made of?
Plastic is made from crude oil (petroleum) and natural gas.
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15
How can we reduce the flow of plastic waste into the ocean?
Refuse plastic whenever possible (replace plastic items with alternatives made from natural materials: bamboo toothbrushes, glass jars, cotton T-shirts...)
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10
True or False: The hydrosphere keeps the Earth warm by absorbing the heat of the sun
