*Question*
Q: What layered form of carbon is used as a lubricant and in pencils? Choices: - carbonite - copper - lead - graphite A:
**Answer**
graphite

*Question*
Q: What type of generators use electromagnetic induction to change kinetic energy to electrical energy? Choices: - conductors - radiators - thermal generators - electric generators A:
**Answer**
electric generators

*Question*
Q: What do we call the energy of motion? Choices: - electromagnetic energy - harmonic energy - binary energy - kinetic energy A:
**Answer**
kinetic energy

*Question*
Q: Many ceramics are composed of what, which are salts containing anions composed of silicon and oxygen? Choices: - vinylates - crystals - soils - silicates A:
**Answer**
silicates