Отмена
When I Grow Up I Want to Be a Chemist
Kim Mitzo Thompson
2:23
It's Called Chemistry
3:06
An Educated Guess!
3:47
What Is the Smallest Part?
2:30
They're Building Blocks
1:59
Is It Sugar, or Is It Salt?
1:56
What Does a Chemist Do?
2:50
Compounds and Mixtures
Water Is Like Magic
1:55
Experiment to Make a Change