Across
- 5. anelementthatmakesupasubstance
- 8. thedistancebetweenwaves
- 10. amoloculecomposedofoneatom
Down
- 1. protons,neutrons,electrons
- 2. strangestaticwaves
- 3. hugecollectionofstars
- 4. thetheorythattheearthisexpanding
- 6. largeballsofhotglass
- 7. spaceandalltheenergyinit
- 9. scalethatshowsdifferentoflife
