Across
- 1. a portable system attached to an air tank that allows people to breath under water
- 4. makes an enlarged image of a small object
- 6. a machine that uses steam and pressure to sterilize items
- 8. cutting apart the body of an animal or plant to study its structure
- 9. a submersible robot for exploring the ocean
- 10. devices to monitor the whereabouts of wildlife
- 13. jelly-like substance used to grow bacteria
- 15. an underwater vehicle
Down
- 1. matter that settles to the bottom of a body of water
- 2. a small handheld tool for cutting branches and stems
- 3. an instrument containing a magnetized pointer which shows the direction of magnetic north
- 5. organisms that drift in ocean water, caught with a net
- 7. a laboratory technique used to separate molecules in a gel or fluid using an electric field
- 11. a system for detecting objects by sending out pulses and receiving data from the waves that bounce back
- 12. a handheld tool with a curved scoop for lifting plants or earth
- 14. a satellite navigation system used to determine the ground position of an object