Grade 8 Chemistry Vocab

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Across
  1. 2. Describes the process where substances react to form new substances with different properties.
  2. 5. Fundamental unit of matter from which all substances are made.
  3. 7. Different states of matter (solid, liquid, gas) and transitions between them.
  4. 8. State of matter where molecules move freely and very fast and are spaced far apart
  5. 10. The starting substances in a chemical reaction.
  6. 12. Formed when more than one atom bonds together; can be the same or different type of atom
  7. 14. Properties that can only be observed after a chemical reaction takes place.
  8. 16. A change that affects the appearance of a substance but does not result in a new substance.
  9. 17. State of matter where slow-moving atoms are packed closely together and may vibrate in position
Down
  1. 1. The substances formed as a result of a chemical reaction.
  2. 3. A type of molecule made of two or more different elements
  3. 4. Properties like density, melting point, and boiling point that can be observed with the five senses.
  4. 6. Formed or broken apart in chemical reactions, leading to new substances with different properties.
  5. 9. A physical quantity that is an indicator of thermal energy, can cause changes of state.
  6. 11. A change that results in a new substance.
  7. 13. The smallest units of matter that participate in chemical reactions without being changed into other types of atoms.
  8. 15. State of matter where molecules are in contact but move freely around each other.