Across
- 4. powerhouse of the cell
- 5. has the chemical symbol Ag
- 7. holds the DNA of a cell
- 9. the science that studies forces and movement
- 10. the reaction gives out heat
Down
- 1. has the chemical symbol Au
- 2. the science that studies chemicals and their reactions
- 3. the science that studies living things and organisms
- 6. the reaction absorbs heat
- 8. has the chemical symbol Fe
