to Mr,gumm from duke (most words are on here)

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Across
  1. 5. equal in value,amount function
  2. 6. the level of the sea
  3. 7. Total value is the product of the digit and its place value .
  4. 8. a body of permeable rock that can contain or transmit groundwater.
Down
  1. 1. The number in its place value
  2. 2. The water table is the upper surface of the zone of saturation
  3. 3. is the saltiness or amount of salt dissolved in a body of water
  4. 4. Is the digit you see in a number