Energy
590 Plays
- en-us
- Age: 10-11
- 9 years, 11 months ago
5º de primaria. Natural sciences. Energy. thermal energy, Conduction, Convection, Radiation, Conductors and insulators. Melting, Evaporation, Expansion. Chemical changes. Light phenomena, Transparent, Translucent, Opaque, Shadows, refraction, Reflection.