Chemistry
- 40 stránek
- 2 hodiny čtení
Uses experiments to explore such topics as how heat changes a substance, the purpose of chemical analysis, and how the human stomach digests food.
Antonella Meiani Knihy
The Big Book of Experiments
An Encyclopedia of Science - Over 200 Experiments!
- 190 stránek
- 7 hodin čtení
Translated from original Italian Edition titled "Il Grande Libro Degli Esperimenti"