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10 questions
What happens when a cold drink sits in a hot room?
It remains cold
It gets warmer
It starts boiling
It starts to freeze
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 stops
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 describe 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 heart transfer?
Conduction and convection
Conduction and radiation
Convection and radiation
Conduction, convection, 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, excerpt:
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
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