Electricity
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Earth
Find Out About The Planet, Volcanoes, Earthquakes And The Weather With 50 Great Experiments And Projects »

Helicopters
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Experiments With Water
Experiments With Water »

Telephone & Fax
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Boats & Ships
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How We Use Cotton
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How We Use Coal
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Water
* Wat is water?* Waar komt ons water vandaan?* Waarom is water zo belangrijk?In Materialen bekijken we een belangwekkend materiaal wat nader - wat het is, wa... »

Heating
What makes a material melt? Why are there bubbles in boiling water? What aresome sources of heat? Read Heating to learn about the different ways we canheat m... »