Richards, Roy

Ships through time

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Submitted by khenkes on Tue, 11/14/2017 - 10:55

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1996

Surveys the history of ships and their various uses, from the first boats and ancient galleys to submarines, hovercraft, and ships of the future.

exciting experiments with everyday materials

1993

Presents experiments and activities involving natural observation, geometric patterns, simple chemistry, and more.

fun experiments with everyday materials

1991

Presents 101 experiments and activities involving such scientific principles as aerodynamics, light and color perception, and optical illusion.