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15
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What can we get from petroleum?
Fuels, colorants, cosmetics, medicine, etc.
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15
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How can we use nitrogren?
Different technological processes, such as to make fertilizer and refrigerants to conserve food.
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15
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The ozone layer protects us from what?
The ozone layer of the atmosphere protects the planet from the sun's ultraviolet rays.
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heart
Other team wins 25 points!
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rocket
Go to first place!
Okay!
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gift
Win 20 points!
Okay!
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banana
Go to last place!
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boom
Lose 50 points!
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fairy
Take points!
5
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25
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fairy
Take points!
5
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25
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thief
Give points!
5
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25
15
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Say two uses of water at home.
Shower, drink, clean, pool, etc.
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15
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Describe the lithosphere
The lithosphere consists of the earth's crust and the upper part of the cover.
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15
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Describe the hydrosphere
The hydrosphere consists of all the water on earth: oceans, rivers, lakes, glaciers, polar ice caps and the small drops of water in the atmosphere.
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15
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How can we use energy from the wind?
It can be transformed into electric energy.
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15
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What properties does the soil have?
It has many minerals as well as organic matter and air.
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15
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Say two uses of water for the living things.
Component of the body, of the blood, part of plants' cells, habitat, liquid protecting the embryos, etc.
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15
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What happens with the water vapour in the air when it is hot?
When the temperature is higher, there is more water vapour in the air. That is why tropical areas of the earth are more humid.
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seesaw
Swap points!
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shark
Other team loses 20 points!
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shark
Other team loses 5 points!
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banana
Go to last place!
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15
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Why is water important for pregnant women?
Because the liquid that protects the development of the embryos principally consists of water.
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15
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What are the three zones of the Biosphere?
The lithosphere, atmosphere and hydrosphere
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15
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What does the biosphere include?
It includes all living things and the outer layers of the earth.
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