BI 5 Day 1 and 2

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Across
  1. 4. system of planets and other bodies that orbits a star
  2. 6. type of radiation that has the longest wavelength and lowest energy
  3. 8. collection of billions of starts and their planet systems
  4. 10. large object in space that is made of gas and produces its own light
  5. 11. type of radiation that causes sun burns or is also used in remote control devices
  6. 14. smallest particle of matter or smallest part of an element
  7. 15. type of radiation that carries or transports heat energy
Down
  1. 1. type of radiation that the human eye can see
  2. 2. type of radiation with the shortest wavelength and highest energy
  3. 3. all frequencies and wavelengths of light radiation
  4. 5. type of radiation cell phones and quick cooking ovens use
  5. 7. average distance between the Earth and the Sun equal to about 93 million miles
  6. 9. type of radiation we use to see our bones
  7. 12. distance light travels in one year equal to about 6 trillion miles
  8. 13. transfer of energy using waves and without a medium(through empty space)