Across
- 3. anything that has mass and takes up space
- 4. what something is made of
- 5. basic truths or foundations of knowledge
- 10. pure substance on the periodic table
- 12. examine or explore carefully
- 13. science of substances and reactions
- 14. positively charged particles in an atom's nucleus
- 15. neutral particles in an atom's nucleus
- 16. suitable for the situation
- 18. characteristics used to describe something
- 19. surroundings or conditions in which something exists
Down
- 1. test to discover something new
- 2. involving multiple academic disciplines combined
- 3. combination of substances not chemically bonded
- 6. relating to the method of systematic investigation
- 7. force exerted per unit area
- 8. groups of atoms bonded together
- 9. relating to the use of science in industry or inventions
- 11. smallest units of matter
- 17. repeated or predictable design or sequence