Across
- 3. largest moon of Saturn
- 5. pigment that colors skin
- 7. opposite of downloading
- 8. unit of Depth
- 10. pencil "lead" made from
- 12. process in which oxygen is removed
- 15. planet that has a day longer than its year
- 18. Electric current is measure by
- 20. sugar is found in milk
- 21. reptiles camouflage by changing colour
- 23. brightest star in the night sky
Down
- 1. gas usually filled in the electric bulb is
- 2. Powerhouse of the cell
- 4. mineral enables the blood to carry oxygen
- 6. biggest bone in the body
- 9. Moves blood away from the heart
- 11. Biggest Planet in the Solar system
- 13. hardest substance available on earth
- 14. unit of magnetic flux density
- 16. The Ship of the Desert
- 17. number of colors in the spectrum of light
- 19. Periodic table, has the symbol Na
- 22. device magnifies strength of signal