chemistry

Everyday

1. Chemistry is the science of substances: what they are made of, how they behave and how they change into new substances. tree →
2. The chemistry of something is the way its substances act together (the chemistry of the soil). tree →
3. Chemistry between people is the feeling that they get on very well together. tree →

In the lessons

In school science, chemistry covers materials, mixtures, solids, liquids and gases, dissolving, burning and rusting; experiments must be done safely with goggles and an adult. In sport and stories «chemistry» means a team or two people work well together. Phrases: chemistry set, chemistry lab, chemistry teacher, good chemistry.

Examples

• Chemistry explains why iron goes rusty. tree →
• We did a chemistry experiment with vinegar and baking soda. tree →
• My cousin got a chemistry set for his birthday. tree →
• Always wear goggles in the chemistry lab. tree →
• The two players have great chemistry on the pitch. tree →
• Cooking is a kind of everyday chemistry. tree →
• She likes chemistry more than biology. tree →

Note

Uncountable: no «a», no plural (chemistry is fun, not «a chemistry»). «Ch» sounds like «k». A scientist of chemistry is a chemist; the adjective is «chemical». Chemistry is one of the three main sciences, with biology and physics.