Science fair projects

the environment

Text and pictures detail sixty simple projects demonstrating scientific principles. Activities include determining sound direction, purifying water, and making adobe bricks.

Sterling Pub.
1995
9780806905426
book

Holdings

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83861845713402328103831167898PIPR387PIPR65021507.8 Bon507.815798937721736518457
85297345841502330103831167898PITR389PITR7083507.8 BON507.815798937721736518457
298805264529462407103831167898PCE301PCC0001272507.8 Bon507.816377825731736800991