Across
- 3. A medicine or other substance which has a physiological effect when ingested.
- 4. The study of matter and the changes it undergoes.
- 5. A person who buys goods and services often used before another
- 7. Any substance consumed to provide nutritional support for an organism.
- 8. substance Any substance that has a defined composition.
- 9. A person that studies and specializes in chemistry.
Down
- 1. The application of science in a legal setting.
- 2. The science of foods and their components.
- 6. Asubstance or preparation used in treating disease.
- 7. A substance that is used to provide heat or power, usually by being burned.