Thermal Energy and Heat Review

If you measured the average kinetic energy of the particles in your glass of water you would know its

• weight
• temperature
• energy of motion
• rate of kinetic energy

According to the Kinetic Theory of Matter the atoms in a rock are...

• transparent
• always moving
• reflectors of light
• extremely hard

What tool do we use to measure the average kintic energy of a substance?

• calorimeter

• graduated cylinder

• triple beam balance

• thermometer

Styrofoam is a good heat...

• absorber
• insulator
• emitter
• conductor

AT the same temperature, a piece of metal feels colder than a piece of wood because...

• metals generally have a higher heat capacity
• metals are better heat conductors than wood
• metal is colder than wood
• wood is a poor insulator

Whenever two bodies of matter are brought together the

• heat flows from the body with the higher temperature to the body with the lower temerature
• heat flows from the body with the lower temperature to the higher temperature

_____ are considered poor conductors of heat

• insulators
• radiators
• thermostats

20 grams of water and 40 grams of water have the same temperature, what is true about their thermal energy?

• 20 grams will have more
• they will have the same
• 40 grams will have more

You pour hot chili into a cool bowl. Energy will be transferred as heat from the chili to the bowl until

• bowl loses its kinetic energy

• chili becomes warmer than the bowl

• chili and bowl are the same temp

• bowl is slightly warmer than chili

Heat is a flow of energy caused by...

• specific heat
• density differences in solids
• temperature differences
• thermal expansion