1) Chocolate candy melting in your hand  a) Radiation b) Conduction c) Convection d) Force 2) Visible light from a candle  a) Radiation b) Thermometer c) Conduction d) Convection 3) Air conditioner  a) Frictional force b) Radiation c) Convection d) Conduction 4) Weightlifting  a) Nuclear force b) Frictional force c) Muscular force d) Thermal insulator 5) The force that causes a glass you drop to fall to the floor. a) Radiation b) Electrostatic force c) Gravitional force d) Force 6) Skating  a) Frictional force b) Electrostatic force c) Nuclear force d) Thermal insulator 7) Train tracks a) Convection b) Nuclear force c) Magnetic force d) Muscular force 8) An atom nucleus holding two protons and two neutrons  a) Electrostatic force b) Gravitional force c) Frictional force d) Nuclear force 9) A television screen collects dust easily  a) Electrostatic force b) Gravitional force c) Frictional force d) Thermal insulator 10) Glass and dry air a) Thermal insulator b) Magnetic force c) Pressure d) Thermometer 11) Mercury  a) Thermometer b) Thermal insulator c) Radiation d) Pressure exerted by liquids 12) Hole in Water Bottle. a) Pressure exerted by gases b) Pressure exerted by solids c) Convection d) Pressure exerted by liquids 13) Inflating a balloon a) Convection b) Nuclear force c) Pressure exerted by gases d) Pressure 14) The lesser the surface area more will be the_______ a) Force b) Pressure c) Radiation d) Heat 15) __________ results in change of the shape of objects a) Force b) Heat c) Temperature d) Pressure

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