Unit 2 Vocabulary Nia Zelaya

12345678910111213141516171819202122232425
Across
  1. 2. The motion of a body like a planet on a path around a point in space. It takes 365.25 days for one around the sun
  2. 5. The two times of the year when neither hemisphere is tilted toward or away the sun, day and night are equal
  3. 8. spectrum Range of electromagnetic waves in order of increasing frequency
  4. 9. The wobbling of Earth's axis, changes the tilt by .5 degrees
  5. 10. moving of Earth's axis, makes a cone over 26,000 years
  6. 11. Plants use light energy to convert water rand carbon dioxide into oxygen and energy
  7. 14. radiation short wave radiation from the sun, blocked by ozone layer
  8. 16. Tide Just after a first or third quarter moon when there is the least high and low water
  9. 17. The turning or spinning of a body on its axis. It takes 24 hours for Earth to make one
  10. 19. The point in a planets orbit when it is furthest from the sun when the planet travels slowest
  11. 20. summer and winter when the northern or southern hemispheres experience longest or shortest days because of the tilt
  12. 21. Incoming solar radiation
  13. 23. Tides The Tide just after a new or full moon that is when the greatest difference between high and low water
  14. 24. The process of burning something
Down
  1. 1. Heat Transfer from one substance to another
  2. 3. Fluid being heater, the warmer part will rise and cooler part will sink
  3. 4. fusion Smaller nuclei join together, powers the sun
  4. 6. Fission Splitting a large nucleus how nuclear power plants and bombs are powered
  5. 7. The center of mass of two or more bodies orbiting around each other
  6. 12. Planets Made mostly out of gas called gas giants Jupiter , Saturn , Uranus , Neptune
  7. 13. The point in a planets orbit when it is closest to the sun Also when the planet travels fastest
  8. 15. transfer of energy with electromagnetic waves
  9. 18. wind stream of electrically charged particles produced by the sun's corona
  10. 22. the scientific study of the universe like planets stars and and galaxies
  11. 25. A large cloud of dust and gas in space