Across
- 3. The imaginary line that connects the north and south poles.
- 4. The ability to do work.
- 9. The name of the motion that occurs when an objects spins on its own axis.
- 10. The layer of the sun that is so dense, it takes energy more that 100,000 years to move through it.
- 12. The distance from the Sun to Earth.
- 16. This occurs when the moon is between the Sun and Earth.
- 19. A space system that has a star at its center.
- 22. The closest star to earth.
- 23. An eruption that releases magnetic energy.
- 24. The Sun consists of this many layers, including its interior and atmosphere.
- 25. The process of energy transfer from the sun to plants.
- 26. The most abundant element that makes up the Sun.
- 29. Because the Earth rotates on it's axis, the Sun appears to do this in the East.
- 30. Huge loops of gas that link different parts of sunspot regions.
Down
- 1. Streams of electrically charged particles.
- 2. The temperature of the core of the Sun in degrees Celcius.
- 5. The middle layer of the Sun's atmosphere.
- 6. The portion of the sun where hydrogen atoms join to form helium.
- 7. What you see when you look at an image of the Sun.
- 8. A natural force that pulls objects with more mass towards each other.
- 11. The element that is created through nuclear fusion in the Sun.
- 13. The process that provides the Sun with its energy.
- 14. The amount of time it takes light from the Sun to reach Earth.
- 15. The outermost layer of the Sun's interior.
- 17. The Greek work for light.
- 18. The half of the Earth that is south of the equator.
- 20. The outer "halo" around the Sun.
- 21. The length of time for a regular cycle of sunspots.
- 27. The circular path something travels around something else.
- 28. A cooler area on the sun's surface.