Thermal Energy Review

How do molecules at warm temperatures differ from molecules at cool temperatures? 

• a.  At warm temperatures, molecules move faster

• b.  At warm temperatures, molecules grow in size

• c.  At warm temperatures, molecules exchange electrons more easily

• d.  At warm temperatures, molecules move slower

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What is the difference between heat and temperature?    

• a.  Temperature measures the motion of molecules, and heat is the transfer of energy

• b.  Temperature is measured by a thermometer, and heat is measured by total thermal energy

• c.  Heat and temperature are the same thing.

• d.  Heat is caused by the sun, and temperature is caused by conditions in the atmosphere

Why is there more thermal energy in an iceberg than in a pot of boiling water?    

• a.  The pot insulates the heated molecules
• b.  Most icebergs are fairly warm to the touch
•   c.  Icebergs contain many more molecules than pots of water
•   d.  Water does not hold heat very well

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If thermal energy is increasing, what is happening to the kinetic energy.

• Kinetic energy would be decreasing

• Kinetic energy would stay the same

• Kinetic energy would be increasing

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The total kinetic energy of the molecules of an object.

• Thermal Energy

• Energy Transfer

• Temperature

• Heat

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Transfer of thermal energy from one object to another.

• Heat

• Energy Transfer

• Themal Energy

• Temperature

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Energy transferred between two objects with varying temperatures, always transferring from warmest to coldest until the two objects have______

• thermal equilibrium

• kinetic energy

• Energy Transfer

• Absolute zero

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The total energy of all the molecules in a sample of matter is called —————

• Total Energy

• Thermal Energy

• Kinetic Energy

• Molecular Energy

Temperature of a material depends upon the average —————— of its particles

• Kinetic energy

• Thermal energy

• Heat energy

• Particle energy

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the average kinetic energy of the particles in iced tea is —————than the average kinetic energy of the particles in hot tea.

• louder

• faster

• more

• less

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