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WorksheetsThermal energy conductivity
Total questions: 20
Worksheet time: 20mins
Which of the following is a factor that determines thermal energy?
Mass
Heat
Transfer of thermal energy
Conduction
If a substance has many particles and we want to increase the kinetic energy of it, then what will it need more of from the surroundings?
Mass
Volume
Energy
Conduction
As the mass decreases, what will the change in temperature do for the same energy output?
Decrease
Increase
Stay the same
Not determinable from the information given.
What is thermal conductivity?
The rate at which particles move in a substance
The ability of a substance to have a large thermal energy
A factor that determines the amount of thermal energy of a substance
The rate at which a substance transfers heat
Changing the temperature of a substance with a low specific heat will not take much
Convection
Energy
Conductivity
Mass
If a substance needed a lot of energy to raise the temperature by 1 degree Celsius, its specific heat is
Non-existant
Low
Undeterminable
High
What is a conductor?
A material in which kinetic energy transfers easily
A material in which kinetic energy does not transfer easily
A material in which mass is transferred easily
A material in which mass is not transferred easily
Materials are classified into two groups based on their specific heats: (Select all that apply!!)
Conductors
Insulators
Regulators
Convection
An insulator
Transfers kinetic energy well
Transfers mass well
Does not transfer kinetic energy well
Transfers matter well
Which makes the best conductor
Water
Plastic
Wood
Aluminum metal
Reflection is when
Energy carried by a wave is absorbed by a substance
Energy carried by a wave is bounced off a surface
Energy carried by a wave is passed through a substance
Energy carried by a wave is redistributed among the surface particles
The surface area of a substance is
The amount of space taken up by an object
The amount of matter in a substance
The amount of exposed, outer area of a substance
The amount of matter per unit of volume in an object
Select all the factors that affect how thermal energy will transferred
Thickness of an object
Reflectivity of an object
Texture of an object
Exposed surface area
Metal pans heat up easily for cooking.
true
false
Why are wooden spoons used for stirring hot food?
they allow heat to move easily
they are easy to clean
they stop the heat from burning your hand
Which one is using more energy?
A
B
Which material has the highest specific heat?
gold
water
glass
steam
Which of these are thermal conductors?
rubber
copper
sea water
silver
wood
Which of these are thermal insulators?
rubber
copper
wood
steel
oil
Thermal energy will always move __________.
wherever it is warm
toward the ground
from warm matter to cold matter
from cold matter to warm matter
