science

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Across
  1. 3. - a change in a state of matter of a substance
  2. 5. - the aftermath of two substances chemically mixing into each other
  3. 6. molecules or the substances that is a part of the chemical reaction; the substances to start a chemical reaction
  4. 7. - using a formula or a letter, coefficient and numbers to explain chemical reactions
Down
  1. 1. - when two substances go through a chemical reaction and mass is saved
  2. 2. - solid(s) formed after a chemical reaction or temperature
  3. 4. - a reaction between two substances when mixed together