Across
- 2. Substances that are formed as a result of a chemical reaction.
- 6. A substance made up of only one type of atom.
- 8. A chemical reaction that absorbs energy/heat from its surroundings.
- 9. Easily evaporated at normal temperatures; can change quickly
- 10. To breathe something in through your nose/mouth.
- 11. Substances that undergo a chemical change in a reaction.
- 13. A person who designs, builds, or maintains engines, machines, or structures.
Down
- 1. Limits or restrictions that affect how something can be done.
- 3. Careful study or investigation to discover new information.
- 4. Observable events or occurrences that can be studied.
- 5. To eat/drink something
- 7. A chemical reaction that releases energy in the form of heat.
- 12. Standards or rules used to judge or decide something.