Energy

Front

What is a measure of the average kinetic energy of the molecules of a material?

Back

temperature

Front

A hockey player uses her stick to hit a hockey puck. Which statement describes the energy transfer?

Back

Energy is transferred from the stick to the puck.

Front

Thermal energy

Back

the total kinetic energy in an object

Front

A cold block of metal is placed in contact with a warm block of metal. Which type of energy will be transferred between the blocks?

Back

thermal energy

Front

Which iron object has the most total thermal energy? Options: a paper clip at 150 °C, a frying pan at 50 °C, a spoon at 25 °C, a nail at 100 °C.

Back

a frying pan at 50 °C

Front

Directions of thermal energy transfer when a hot potato at 80 ºC is placed in a bowl of soup at 40 ºC, with the surrounding room at 20 ºC.

Back

potato to soup, and soup to room

Front

At which time was the thermal energy of the lake water the greatest? Options: 3 p.m., 11 a.m., 5 p.m., 9 a.m.

Back

3 p.m.

Front

A lizard sits on a hot rock to get warm. What type of thermal energy transfer is occurring? Options: conduction, convection, radiation

Back

conduction

Front

During science class, Sophie measures the temperature of water every minute as it is heating. After a few minutes, the temperature increases to 82 °C. Which other property of the particles increases? Options: mass, volume, average kinetic energy, average potential energy.

Back

average kinetic energy

Front

A student is using a thermometer to study a sample of matter. Which property of matter is the student measuring?

Back

temperature