chemistry ;)

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Across
  1. 4. the liquid/solution collected in the beaker
  2. 7. has a structure that suits its function
  3. 8. connects bone to bone
  4. 9. to switch on the light and off
Down
  1. 1. the residue is the solid left in funnel
  2. 2. eyepiece helps you see through the microscope
  3. 3. keeps away bacteria entering the body
  4. 5. carries oxygen to the lungs to keep the body alive
  5. 6. helps you zoom in and out