Across
- 5. that indicates if a substance is and acid or base
- 8. a force holding similar molecules together
- 10. has 1 proton,1 neutron, and 1 electron(its and element on the periodic table)
- 11. building blocks of our universe
- 12. paper that indicates how concentrated a acid or base it
- 13. occur when 2 substances mix and a chemical reaction takes place
- 14. taste sour and is corrosive
- 15. All matter that is made of different atoms
Down
- 1. a scale which shows how concentrated and acid or base can be
- 2. when forces or energy or mixture are created but the substances stays the same
- 3. process by which scientists conduct experiments
- 4. substances that are made of particles
- 6. taste bitter and feel slippery
- 7. list of all of the elements in our universe that are made of particles
- 9. change an acid or base to a neutral substance
- 10. a very strong scientific prediction with reasons