Отмена
When I Grow up I Want to Be a Chemist
Kim Mitzo Thompson
Karen Mitzo Hilderbrand
2:23
It's Called Chemistry
3:05
An Educated Guess!
3:46
What Is the Smallest Part?
2:30
Is It Sugar, Or Is It Salt?
1:56
They're Building Blocks
1:59
What Does a Chemist Do?
2:49
Compounds and Mixtures
Water Is Like Magic
1:55
Be Responsible!