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| Question | Answer |
|---|---|
| heron | a large bird with long legs, a long neck and grey or white feathers that lives near water |
| woodpecker | a bird that uses its strong beak to make holes in tree trunks in order to find insects to eat |
| nitrous oxide | a gas with a faint sweet smell that can be breathed in with oxygen to reduce pain, for example during childbirth or medical examinations(also informal laughing gas) |
| quinine | a drug used to treat fevers such as malaria |
| beaker | a glass or plastic container used in chemistry |