1) Vibrating air particles is associated with which type of energy? a) Thermal b) Sound c) Kinetic d) Potential 2) Which type of energy is associated with movement? a) Kinetic b) Sound c) Elastic potential d) Gravitational Potential 3) Which type of energy is associated with temperature/heat? a) Kinetic b) Light c) Thermal d) Mechanical 4) What is the original source of all energy on earth? a) Sun b) Moon c) Plants d) Food 5) A heater converts: a) Electrical energy to heat energy b) Chemical energy to heat energy c) Heat energy to chemical energy d) Heat energy to electrical energy 6) Which two factors affect the amount of kinetic energy in an object? a) Mass b) Velocity c) Mass and velocity d) height and velocity 7) Sound waves are unable to travel through which of the following? a) Water b) Vacuum c) Solid d) Gases 8) Which type of energy is present in a cupcake? a) Sound b) Heat c) Light d) Chemical 9) Which type of energy does a leaf on a tree possess? a) chemical b) heat c) Sound d) Gravitational potential 10) If the energy efficiency of an object is 60%, what percentage of the energy is wasted? a) 20% b) 60% c) 40% d) 10% 11) A lightbulb is 90% efficient. What type of energy is the 10% likely to be? a) light b) chemical c) thermal d) sound

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