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Card 6

Front

Why are calcium ions important in plants and animals?

Back

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Card 7

Front

What is the other use of H+ ions, other than in respiration and photosynthesis?

Back

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Card 8

Front

Why do plants need Mg+2 ions?

Back

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Card 9

Front

Why is water a polar molecule?

Back

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Card 10

Front

How are hydrogen bonds formed in water?

Back

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Card 11

Front

Why is water called a 'polar solvent'?

Back

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Card 12

Front

Why is water a good transport medium?

Back

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Card 13

Front

Why is ice less dense than water?

Back

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Card 14

Front

Why does water have a high heat capacity and why is this important?

Back

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Card 15

Front

Which feature of water allows it to be a good medium for transpiration?

Back

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