AQA C1.7.6 Carbon Cycle

Quick fire questions for plenary or starter

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  • Created by: A. Manns
  • Created on: 16-04-13 10:38
What are plants and oceans known as?
Carbon sinks.
1 of 10
What happens when we burn fossil fuels?
The carbon locked up inside them is released as carbond dioxide.
2 of 10
What is the name given to the reaction in on Card 2?
Combustion.
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Why is the burning of fossil fuels causing a problem with the carbon cycle?
Upsetting the balance between the CO2 produced and the CO2 absorbed.
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As the carbo dioxide levels in the atmosphere increases, what effect does this have on the oceans?
Reactions of CO2 with the sea water also increases. This produces INSOLUBLE carbonates.
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What happens to insoluble carbonates (eg calcium carbonate) when it reacts with sea water?
they are deposited as sediments at the bottom of the ocean and form sedimentary rocks over millions of years.
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Soluble hydrogencarbonates (eg Ca and Mg hudrogencarbonate) are also produced by the reaction of CO2 with sea water. What happens to these compounds?
Stay dissolved in the sea water.
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Whay are coral reefs dying?
Excess CO2 that does not form carbonates makes the sea water more acidic.
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How does carbon move in and out of the atmosphere?
Through the interaction of plants, animals, oceans and rocks.
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Why are photosynthesis and respiration key processes in the carbon cycle?
Photosynthesis removes CO2 and respiration form plants and animalsreturn the CO2 lost by photosynthesis.
10 of 10

Other cards in this set

Card 2

Front

What happens when we burn fossil fuels?

Back

The carbon locked up inside them is released as carbond dioxide.

Card 3

Front

What is the name given to the reaction in on Card 2?

Back

Preview of the front of card 3

Card 4

Front

Why is the burning of fossil fuels causing a problem with the carbon cycle?

Back

Preview of the front of card 4

Card 5

Front

As the carbo dioxide levels in the atmosphere increases, what effect does this have on the oceans?

Back

Preview of the front of card 5
View more cards

Comments

lisa linsdell

A good set of revision cards to use as an aid to revision of the carbon cycle. Watch out for the odd typo.

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