Brown, Bob Books

200 science experiments for boys and girls
200 science experiments for boys and girls

By Bob Brown, Brown Bob

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Gives instructions for a variety of experiments illustrating principles of biology, chemistry, heat, mechanics, and other areas of science.

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200 science experiments for boys and girls
Earth
Earth

By

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200 Illustrated Science Experiments for Children
Science Circus Number 3
Science Circus Number 3

By Brown Bob, Bob Brown

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More science for you
More science for you

By Brown Bob

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333 science tricks & experiments
Science for you
Science for you

By Brown Bob

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Science for you
Science for you

By Brown Bob

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More science for you
More science for you

By Brown Bob

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