| |
71.
Heat and Temperature Heat and Temperature are defined and distinguished. |
| |
72.
Specific Heat The "thermal inertia" of substances is explained, particularly water. |
| |
73.
Thermal Expansion of solids Expansion of solids, bimetallic strip, and ring around the Earth. |
| |
74.
Thermal Expansion of Water. Densest water at 4°C explained, with classroom video of ice formation. |