Across
- 3. a tide after a first or third quarter moon, least diiference between high and low water
- 9. burning something
- 10. the motion or path a body around some point
- 11. the two times a year where neither hemisphere is tilted towards / away from the sun
- 12. spining body on its axis
- 13. shortwave radiation emitted by the sun
- 15. transfer of energy by electromagnetic waves
- 16. when a organism uses light energy to convert water and carbon dioxide into oxygen
- 18. when a large nucleus splits into smaller nuclei
- 20. a stream of electrically charged particles by the suns corona
- 22. incoming solar radiation
- 23. the center of mass of 2 bodies orbiting around eachother
- 24. planets made out of mainly gas (Gas giants)
- 25. Scientific study of the universe
Down
- 1. a tide just after a new or full mooom, greatest difference between high and low waters
- 2. a complete range of electromagnetic waves in order of increasing frequency
- 4. the two times a year when the N and S hemispheres have their longest and shortest days
- 5. direct transfer of heat from one substance to another via touching
- 6. a large cloud of dust and gas in space
- 7. when a smaller nuclei merge with others to make a bigger one
- 8. a slow motion of a cone that the earths axis makes over a 26000 year period
- 14. the point in a planets orbit where it is the farthest away
- 17. a fluid being heated will rise then cool and sink
- 19. the point in a planets orbit where it is the closest to the sun
- 21. wobbling of earths exis, changes the tilt of the axis by 0.5 degrees every 18 years