Savvas 7th Grade Thermal Energy and Heat Test Modified Part B
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Last updated over 2 years ago
8 questions
1
The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin is called its
The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin is called its
1
A material that conducts heat poorly is called a(n)
A material that conducts heat poorly is called a(n)
1
Which of these is a good conductor?
Which of these is a good conductor?
1
Trapped air is a good conductor because it reduces heat transfer
Trapped air is a good conductor because it reduces heat transfer
1
As most substances are cooled, they expand.
As most substances are cooled, they expand.
1
Specific heat is measured in joules.
Specific heat is measured in joules.
1
Joints in train tracks are designed with extra space to allow for_______ in hot weather.
2
The specific heat of foam is 1200J(kg-K). How much heat does it take to raise the temperature of 1 kg of foam by 2 K?Hint: Remember the Energy Change Formula Energy Change=Mass x Specific Heat x Temperature Change
The specific heat of foam is 1200J(kg-K). How much heat does it take to raise the temperature of 1 kg of foam by 2 K?
Hint: Remember the Energy Change Formula Energy Change=Mass x Specific Heat x Temperature Change