Science 9: Intro to Substances

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Across
  1. 2. property : A characteristic that can be observed or measured without changing the substance.
  2. 5. energy : Energy that an object has due to its motion.
  3. 6. : A positively charged particle found in the nucleus of an atom.
  4. 7. change : A change that forms one or more new substances with new properties.
  5. 8. : A pure substance made up of only one kind of atom.
  6. 11. : The process by which gas changes into a liquid.
  7. 12. : A pure substance made of two or more elements chemically combined.
  8. 15. : The process by which a gas changes directly into a solid.
Down
  1. 1. : Workplace Hazardous Materials Information System.
  2. 3. : The process by which a solid changes directly to a gas without becoming liquid.
  3. 4. : The physical form of matter: solid, liquid, or gas.
  4. 6. substance : A material made of only one type of particle.
  5. 9. : A negatively charged particle found outside the nucleus of an atom.
  6. 10. symbol : An image used to warn about potential danger or risk from a substance.
  7. 13. : A particle with no charge found in the nucleus of an atom.
  8. 14. : The smallest particle of an element that retains its identity in a chemical reaction.
  9. 16. change : A change in appearance or state that does not create a new substance.