Science

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Across
  1. 1. chemical element with symbol Na and atomic number 11
  2. 3. change in the genes of a species
  3. 4. a light volcanic rock that is formed when lave solidifies quickly
  4. 5. warm low air pressure that is coming in one direction
  5. 6. rate at which something occurs
  6. 9. salty
  7. 10. body of a permeable rock that contains groundwater
Down
  1. 1. organ of a flower that consists of pollen containing anther
  2. 2. to make slippery or smooth
  3. 4. weight that swings freely from a fixed point
  4. 7. inanimate, not living
  5. 8. to keep in its current state