English National Curriculum - Science Science
Mission Objectives
Explain why small covalent molecules have got low melting and boiling points
Explain why small covalent molecules cannot conduct electricity
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Words and meanings to learn
solid
Something which is compact or firm where the atoms are connected tightly.
liquid
A substance that flows freely but is of constant volume, having a consistency like that of water or oil.
gas
A substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume.
vibration
Particles within a body moving in alternate directions from the equilibrium.
boiling
At or near boiling point.
Expert film
Mission assignment film
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