Hard water or soft water? 

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How does the doctor hear your heartbeat?

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Busy Bee

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Make your own organic fizzy lemon soda

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How long does a leaf stay fresh?

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What is acid rain? 

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What is Magic sand?

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What are Sedimentary rocks?

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Make a cuppa snow!

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How does a parachute fly?

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How is sound produced?

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How do we perceive color?

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How does bread rise?

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Energy conservation car

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How is glue made?