BBC4 年
Freezing point and boiling point
How do we communicate to others how hot or cold something is? A demonstration of freezing and boiling points, and standard measurements of temperature. Before watching this clip students could be ...
BBC4 年
Freezing point and boiling point
How do we communicate to others how hot or cold something is? A demonstration of freezing and boiling points, and standard measurements of temperature. Before watching this clip students could be ...