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WorksheetsConduction, Convection & Radiation
Total questions: 23
Worksheet time: 19mins
Conduction
is the transfer of thermal energy with no overall transfer of matter
the transfer of thermal energy when particles of a fluid (liquid or gas) move from one place to another.
the transfer of energy by waves moving through space.
Conduction
is the transfer of thermal energy with ____ overall transfer of ____
(a)
Why is conduction slower in gases than in liquids or solids?
Conduction in gases is slower than in liquids and solids because the ____ in a gas collide ____ often.
(a)
Conduction occurs ____ a material or ____ materials that are touching
(a)
Conduction occurs within a material or between materials that are (a) .
In conduction, ____ between ____ transfer thermal energy, without any overall transfer of matter.
(a)
A thermal conductor is a material that ____ thermal energy ____.
(a)
Conduction
tile transfers thermal energy more (a) away from your skin.
Thermal Insulators
A material that ____ thermal energy ____ is called a thermal insulator.
(a)
Select good thermal insulators
pan
air
Wool garments
plastic foam cups
Good thermal Conductors are:
pan
metal
tile
____ is the transfer of thermal energy when particles of a ____ (liquid or gas) ____ from one place to another
(a)
In what natural cycles do convection currents occur?
leaves falling off trees
ocean currents
weather systems
movements of hot rock
A convection current occurs when a ____ circulates in a ____ as it alternately ____ up and cools down.
(a)
____ is the transfer of ____ by ____ moving through space.
(a)
How does an object’s temperature affect radiation?
All objects radiate energy. As an object’s temperature decreases, the rate at which it radiates energy decreases.
All objects radiate energy. As an object’s temperature increases, the rate at which it radiates energy increases.
All objects radiate energy. As an object’s temperature increases, the rate at which it radiates energy decreases.
All objects radiate energy. As an object’s temperature decreases, the rate at which it radiates energy increases.
Thermal Insulator
a material that conducts thermal energy well.
A material that conducts thermal energy poorly
Thermal Conductors
A material that conducts thermal energy poorly
A material that conducts thermal energy well
Convection
is the transfer of thermal energy with no overall transfer of matter
the transfer of thermal energy when particles of a fluid (liquid or gas) move from one place to another
the transfer of energy by waves moving through space.
Radiation
is the transfer of thermal energy with no overall transfer of matter
the transfer of thermal energy when particles of a fluid (liquid or gas) move from one place to another
the transfer of energy by waves moving through space
Radiation
When you stand to the side of a charcoal grill, heat reaches you without ____ or ____.
(a)
Radiation
The sun warms you by ____ on a clear day. The space between the sun and Earth has no ____ to transfer thermal energy
(a)
Heat lamps used in restaurants are another example of (a) .
