Отмена
What Does A Physicist Do?
Nashville Kids' Sound
2:14
Matter Is All Around
3:08
What Is Physics?
3:28
When I Grow Up I Want To Be A Physicist
2:23
It's Electricity - A Kind Of Energy
Kim Mitzo Thompson
3:23
Protons, Neutrons And Electrons
2:53
What Is Sound?
2:36
Can You Name These Sounds?
3:27
Forces Make Things Begin to Move
3:44
Levers, Pulleys, And Simple Machines
3:11