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Card 6

Front

which two of the following metals are magnetic: aluminium, copper, nickel, wood or iron

Back

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Card 7

Front

why does an electromagnet need a core?

Back

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Card 8

Front

what is the earths core made of?

Back

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Card 9

Front

how is the Earth's magnetic field produced?

Back

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Card 10

Front

what is a cosmic ray?

Back

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Card 11

Front

how can cosmic rays affect your health?

Back

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Card 12

Front

what is the needle of a compass made of?

Back

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Card 13

Front

where is bacteria found?

Back

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Card 14

Front

what does engolfing mean?

Back

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Card 15

Front

what does the heart pump blood around?

Back

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