Font size
WorksheetsHeating and Cooling
Total questions: 19
Worksheet time: 13mins
What is Heat?
How hot something is, measured by a thermometer in oC
The amount of thermal energy in an object, measured in Joules
A magazine about celebrities
Temperature is measured in what?
Degrees Celsius (oC)
Joules (J)
Watts (W)
Farads (F)
If heat is transferred by conduction, the two bodies must...
(select 2)
be near each other
touching
the same temperature
different temperatures
Heat is transferred around a liquid by...
Convection
Conduction
Radiation
Convection CANNOT happen in....
Solids
Liquids
Gases
Plasmas
For convection to occur, what must the particles be able to do?
Move freely
Communicate
Stay in one place
Evaporate
Conduction works due to...
Particles vibrating into one another
Particles moving freely over one another
Infrared Radiation being absorbed
Infrared Radiation being absorbed
Radiation is unlike Conduction and Convection because
It can travel through a vacuum
There is no vibration
Particles dont move
None of the above
An ice cube placed on a piece of metal will melt faster or slower than an ice cube placed on a piece of plastic?
Faster
Slower
In convection, hot air _____ and cool air ________
Rises, Sinks
Sinks, Rises
Sinks, Sinks
Rises, Rises
Hot air has a ______ _______ than cold air
Higher Density
Lower Density
Higher Mass
Lower Mass
Infrared Radiation forms part of which spectrum?
(a)
The best emitters of IR radiation are... (pick 2)
Matt
Black
Shiny
White
The best absorbers of IR Radiation are... (pick two)
Matt
Black
Shiny
White
The best Reflectors of IR radiation are... (pick 2)
Matt
Black
Shiny
White
The best retainers of IR radiation are... (pick 2)
Matt
Black
Shiny
White
The best thing to wear in to stay cool in direct sunlight is
The best thing to wear in to stay cool in the shade is
The equation for energy and specific heat capacity (SHC) is
Energy = Mass x SHC x Temp. Change
How much energy is required to increase 2kg of water by 7 degrees?
(SHC = 4200 J/kgoC)
58,800 J
58.8 J
300J
3J
