What is energy?

• the transfer of heat

• the ability to do work

• when concrete expands in high temperature

• the measure of the total kinetic energy

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Mark all the examples of kinetic energy?

• a parked car

• a swing at the playground

• riding a bicycle

• a speed boat in a race

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What is the transfer of thermal energy from one substance to another?

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​ ​ (a)   is the measure of the ​ (b)   kinetic ​ (c)   of the particles in a substance.

• average
• energy
• Temperature
• Thermal energy
• total

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​ (a)   is the ​ (b)   kinetic energy of the particles in a substance.

• Thermal Energy
• total
• Temperature
• average

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Boiling water is an example of what type of heat transfer?

• conduction

• convection

• radiation

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Cooking on a stovetop, ironing clothes, or eating ice cream is an example of what type of heat transfer?

• radiation

• convection

• conduction

What happens when a solid's particles move faster and expand without changing states?

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The amount of thermal energy needed to raise the temperature of water 1 degree C is _______?

• farenheit

• calorie

• potential energy

• radiation

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A heater is an example what type of heat transfer?

• radiation

• conduction

• convection

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