Across
- 3. A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
- 5. The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
- 8. A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals.
- 9. Referring to something that is poisonous.
- 10. Having the properties of an alkali, or containing alkali; having a pH greater than 7.
- 11. A particular procedure for accomplishing or approaching something especially a systematic or established one.
- 13. A distinct compound or substance, especially one which has been artificially prepared or purified.
- 14. A scientific procedure undertaken to make a discovery test a hypothesis, or demonstrate a known fact.
Down
- 1. An instrument for measuring and indicating temperature.
- 2. A system of ideas intended to explain something.
- 4. A means of solving a problem or dealing with a difficult situation.
- 6. The necessary items for a particular purpose.
- 7. A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
- 11. An optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells.
- 12. To turn from liquid into vapour.