Q: What does liquid change to due to vaporization? Choices: - plasma - oil - solid - gas A:
gas

Q: In which process do two light nuclei combine to produce a heavier nucleus and great energy? Choices: - general fusion - light fusion - certain fusion - nuclear fusion A:
nuclear fusion

Q: What do you call the electrons in the outer energy level of an atom that are involved in chemical bonds? Choices: - force electrons - helium electrons - transitions electrons - valence electrons A:
valence electrons

Q: What type of energy causes erosion at the shore? Choices: - tidal - potential - kinetic - wave A:
wave