Term 3 Vocabulary Activity

4. A group of substances that can alter the user's behaviour or mental state when consumed.
6. A substance used to give objects an agreeable scent.
8. A substance that works by exciting parts of the nervous system.
10. A substance that works by suppressing parts of the nervous system.
11. Refers to the use of substances in harmful amounts or manners.
13. Refers to substances that may cause overdependence on them if consumed irresponsibly.
15. A substance that works by weakening the surface tension between liquids (or between a liquid and a solid).
16. A substance that causes the user to experience imaginary sensations.
18. Refers to substances that needs to be made from preexisting ones.
19. A substance used to enhance how foods or drinks taste.
20. A substance used to add a sugary taste.

1. A substance used to reduce the rate of decomposition in foods or drinks.
2. A group of substances normally used for its anaesthetic, or pain-numbing, properties.
3. A group of personal care products used for hygiene purposes.
5. A substance that reduces the number of microorganisms on a surface.
7. A substance used to give foods or drinks colour to make them more appealing or appetising.
9. Refers to substances that can be readily found in nature.
11. A substance added to foods and drinks to alter their flavour, appearance, or aroma.
12. A group of products intended for domestic or home use.
14. A group of substances, some requiring prescriptions, used to cure, treat, or prevent diseases.
17. A group of products used in the cultivation of land or livestock.