More cards in this set

Card 16

Front

Give an example of an emulsion

Back

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Card 17

Front

What is the 'head' of the emulsifier called (likes water, hates oil)?

Back

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Card 18

Front

What is the 'tail' of the emulsifier called (likes oil, hates water)?

Back

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Card 19

Front

Suggest one problem of adding emulsifiers to food

Back

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Card 20

Front

What two pieces of evidence did Wegener use to support his theory of continental drift?

Back

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Card 21

Front

What can be found beneath the Earth's crust?

Back

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Card 22

Front

Name the two main gases that make up the Earth's atmosphere today

Back

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Card 23

Front

Name the three main stages that explain why today's atmosphere is different form the Earth's early atmosphere

Back

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Card 24

Front

What is the primordial soup theory?

Back

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Card 25

Front

Why do we fractionally distil air?

Back

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