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What factors determine how much an object’s temperature increases when struck by light other electromagnetic waves?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
What did scientists create to help people determine whether or not they are overexposed to harmful ultraviolet rays?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
Why are cooking utensils often made of materials such as rubber and plastic?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
How is infrared light different from visible light?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
Why are metals useful in cooking?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
What is the purpose of installing expansion joint strips in bridges?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
What role do metals and non-metals play in the transfer of heat?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
In what way is conduction different from convection?
The UV index
They allow for the bridge to expand in hot weather and contract in cold weather, thus preventing it from breaking
They are excellent conductors of heat
Heat is passed through conduction when two solid objects touch, and through convection when it moves through a liquid or gas
Rubber and plastic are insulators, and therefore limit the transfer of heat so that you do not get burned
Most metals are excellent conductors, while most non-metals are good insulators.
infrared light is detected by its heating effect, while visible light is detected by the eye
the intensity of the light, how long it shines, and how much of it is absorbed
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