More science projects you can do
Instructions for a variety of experiments and exhibits with easily available materials in the areas of natural history, mechanics and technology, and physics.
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| מחברים אחרים: | |
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Englewood Cliffs, N.J.
Prentice-Hall
[c1970]
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