Across
- 3. For communication they send TV signals and phone calls around the world. For navigation they help determine your location with GPS. For weather forecasting they take pictures of Earth to help predict weather and track hurricanes. They take pictures of other planets, the sun, and other objects to help scientists learn about the universe. They are used for earth observation to study the oceans, land, and atmosphere.
- 4. __________constructed: space we create and give meaning to as communities.
- 5. global positioning satellite.
- 8. how the features of something are related or arranged.
- 10. large cracks in the ice in Antarctica.
- 11. coordinate reference system. A framework to precisely measure locations on the surface of the Earth.
- 12. a person examining and recording the area and features of a piece of land to construct a map.
- 13. space
- 15. a device that uses radio waves to detect and locate objects:
- 16. polar continent.
- 17. remote sensing satellites with radar capabilities.
Down
- 1. an object that orbits a larger celestial body, such as a planet, star, or moon. The term can refer to both natural objects, like the Earth and Moon, or artificial, which are human-made machines.
- 2. sensing or studying something without physically contacting it.
- 3. record energy reflected from the earth's surface.
- 6. __________ space: collective knowledge about space.
- 7. two numbers or sometimes a letter and a number that locate a specific location
- 9. Constellations of artificial satellites orbiting the Earth by China, Russia, the European Union, and United States and other countries. global navigation satellite system.
- 14. space like the fan community we create and participate with online.