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Card 6

Front

What are the clues found in sedimentary rocks that suggest how they were formed?

Back

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Card 7

Front

What is continental drift?

Back

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Card 8

Front

What is the theory of continental drift supported by?

Back

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Card 9

Front

What is salt (sodium chloride) used for?

Back

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Card 10

Front

Why is salt added to food? What are the affects of too much salt in in your diet?

Back

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Card 11

Front

What is the food standards agency (FSA)? What does the FSA have a role in?

Back

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Card 12

Front

How can salt be obtained?

Back

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Card 13

Front

How can underground salt deposits be extracted?

Back

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Card 14

Front

When is salt used for roads more useful?

Back

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Card 15

Front

What may salt be if it is to be purified for the chemical or food industry and why?

Back

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