Shifty Words Puzzle

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Across
  1. 3. Amount of space an object takes up (math/science) OR How loud a sound is
  2. 4. A number multiplied by another (math) OR A cause that affects a result
  3. 8. A flat surface in math OR An airplane
  4. 9. The base number in math (like a square root) OR Part of a plant
  5. 10. Anything that has mass and takes up space (science) OR Something important or an issue
Down
  1. 1. A location in geometry OR An idea or argument someone makes
  2. 2. A tiny living unit in science OR A small room (like in prison)
  3. 5. The size of a surface (math) OR A region or space
  4. 6. A chart showing information (math/science) OR A piece of furniture
  5. 7. The answer to a math problem OR A mixture in science (liquid+something dissolved)