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