1) The energy stored in food and our muscles a) kinetic energy b) chemical energy c) nuclear energy 2) Kinetic energy of an object increases with a) increasing mass b) decreasing velocity c) increasing height 3) Gravitational potential energy depends on a) Velocity b) Position in the universe c) Force 4) An inefficient device will a) waste lots of energy b) transfer lots of energy usefully c) have an efficiency below 0 5) Lubrication increases efficiency since a) it reduces friction of moving parts b) it insulates the system c) it increases friction 6) Metals are a) good conductors of heat b) good insulators c) bad conductors of heat 7) Insulating materials a) allow heat to be transferred  b) reduce the transfer of thermal energy c) increase the rate of thermal energy transfer 8) Insulators can a) cause objects to heat up b) cause objects to cool down c) keep objects hot or cold 9) Energy is measured in a) Kilograms b) Newtons c) Joules d) Coulombs 10) The energy stored in a stretched or compressed object a) Kinetic b) GPE c) Magnetic d) Elastic e) Nuclear 11) Energy can be transferred a) Mechanically b) Kinetically c) Electrically d) Chemically e) By heating f) Magnetically 12) Velocity is BLANK in a given direction a) Mass  b) Speed c) Height d) Spring constant e) Extension f) Acceleration 13) Static electricity involves the transfer of a) Protons b) Electrons c) Neutrons d) Ions 14) A gamma wave will interact with an electric field a) True b) False

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