Across
- 4. a substance made of two or more different elements chemically bonded
- 6. two or more atoms bonded together
- 7. in the range in a repeating fixed pattern
- 10. a step-by-step process to solve problems
- 11. appear substance made of only one kind of an atom
- 12. the variable that you manipulate control or explore it affects
Down
- 1. the variable that is being tested or measured
- 2. a guess
- 3. a group in which a variable is not being tested
- 5. very large made up of repeating smaller units
- 7. the first that holds bio, diverse together and molecules or crystals
- 8. a large structure made of assess molecule bonded in repeating patterns
- 9. smallest unit of an element that has a of that element