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Across 4. used to identify small mineral crystals and structure in rocks 5. used to break up rocks, as well as, scale in a photograph 9. measures wind speed and direction 10. global positioning system; uses satellites to navigate etc.

Down 1. provides picture of weather systems from several hundred miles out in space 2. gives a reading of the current surroundings' air temperature informing the user how hot or cold the weather is 3. to see the shape and geology of the Earth's surface and deduce the geological structures that lie hidden beneath the surface 6. used to take field noted of observations of a specific phenomenon 7. measures air temperature 8. has two basic function: direction finding and navigation