Energy (Heat) Transfer: Brainpop Video

Please type your name. Name _ Heat Transfer Watch the video on heat transfer and answer the questions that follow. You can watch the video more than one time, use the pause button and slide button to help find the answers to the questions if needed. What happens when a cold drink sits in a hot room? It remains cold It gets warmer It starts boiling It starts freezing Which of the following best describes temperature? Number of molecules Motion of molecules Size of molecules Type of molecules When two things are the same temperature: They have the same number of molecules Their molecules stop moving Their molecules move at the same average speed Heat transfer between the two things stop When you heat a pot on a stove, the handle gets warm. Which type of heat transfer is responsible? Conduction Radiation Convection All of the above Which of the following best describes a vacuum? Hot Cold Shiny Empty List the following particles in size order, from biggest to smallest? Molecules, electrons, atoms Atoms, molecules, electrons Electrons, atoms, molecules Molecules, atoms, electrons Thermoses work because they minimize which kinds of heat transfer? Conduction and convection Conduction and radiation Convection and radiation Conduction, covection and radiation Heat from the Sun reaches Earth through which type of heat transfer? Conduction Radiation Convection All of the above Convection currents occur: Only in liquids When a dense substance is warmer than a less dense substance In both liquids and gases Weakly in solids All of the following are examples of convection currents, except: Warm air rising in a house Cold water sinking to the bottom of the lake Water flowing through pipes Steam from hot soup rising into the air