Across
- 2. charged particles sent by the sun
- 3. the properties of an area
- 5. a ball of helium and hydrogen
- 8. a sphere of magnetic energy that protects an object
- 9. the area on the 2D plane of a 3D object
- 10. an endless void that has few molecules spread here and there
- 12. a rock in space
- 15. ball of ice that hurtles through space
- 16. a molecule made of one atom
- 18. a small item made of molecules
- 19. atmosphere, weather and temperature
Down
- 1. the imperial measurement of temperature
- 4. the act of combining particles to create energy
- 6. a sphere of molecules that surround a mass of minerals
- 7. energy that power technology
- 11. the outer layer of an atmosphere
- 13. a ball of minerals that orbits the earth
- 14. special particles that can damage DNA structure
- 16. a chemical created when merging two hydrogen atoms together
- 17. a force that pulls objects together