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WorksheetsHeating and Cooling Starter
Total questions: 12
Worksheet time: 6mins
The kind of heat transfer that occurs through space in electromagnetic waves is ______________________.
insulation
radiation
conduction
convection
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
hotter to colder
colder to hotter
hotter to hotter
colder to colder
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
convection
conduction
radiation
insulation.
The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.
convection
conduction
radiation
insulation
All of the following are good conductors of heat EXCEPT
copper
iron
plastic
aluminum
What is the term that refers to a material being a poor conductor of heat?
insulator
conductor
convector
radiator
What causes hot and cold water to become the same temperature once they are combined?
The heat moves from cooler temperature to warmer temperature.
The energy of the hot water runs out.
Heat (thermal) energy from the hot water is transferred to the cold water.
Heat (thermal) energy causes the water to boil.
If each of these objects is filled with water of the same temperature, which has the highest thermal energy?
A drinking cup
An Olympic swimming pool
A hot water bottle
A vacuum flask
A house loses 2000J per second in thermal energy through its roof. If loft insulation is installed, which of the following values might be the new value for the thermal energy loss per second?
2500J
2000J
4000J
500J
In an experiment to investigate the effectiveness of different insulating materials, samples are wrapped around beakers full of hot water and the water's temperature is measured over time. What is the independent variable in this experiment?
The volume of water in the beaker
The starting temperature of the water
The insulating material
The final temperature
