SCIENCE

123456789101112131415161718
Across
  1. 2. gum tree with edible leaves
  2. 5. aa
  3. 7. has a hydrophilic head and hydrophobic tail
  4. 8. electron electrons on the outermost shell
  5. 10. W
  6. 11. force between two surfaces in contact
  7. 15. velocity divided by frequency
  8. 17. positively charged
  9. 18. motion
Down
  1. 1. break down of sugar
  2. 3. powerhouse of the cell
  3. 4. violets Dr. Smith
  4. 6. ma
  5. 7. how plants make food
  6. 9. dilute weak acid or base to find out how much there is
  7. 12. three different types of leaves on one tree
  8. 13. made up of atoms
  9. 14. momentum rotational inertia times angular velocity
  10. 16. Indiana state tree
  11. 17. amino acids