Unit 7-8 Energy 2 Question Preview (ID: 12340)


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Which of following energy transformations take place in a hair dryer?
a) electrical to thermal and sound
b) chemical to thermal and sound
c) electrical to chemical
d) radiant to electrical

In a bowl of soup which type of heat is being observed?
a) conduction
b) convection
c) radiation
d)

The sun is rising which type of heat would be observed?
a) conduction
b) convection
c) radiation
d)

The Law of Conservation of Energy states that ______________________.
a) energy is neither created nor destroyed
b) energy can not be transformed
c) energy can be created
d) energy can be destroyed

What types of energy are coal, vegetables, and gasoline?
a) mechanical
b) chemical
c) radiant
d) electrical

The continuous cycle of hot water rising, cooling, and sinking is know as____________.
a) convection
b) radiation
c) conduction
d)

______________is the transfer of heat through electromagnetic waves.
a) warmer
b) radiation
c) convection
d) conduction

Heat moves from ________________ to ______________________matter.
a) convection to conduction
b) warmer to cooler
c) radiation to convection
d) conduction to convection

__________________________is the transfer of heat through direct contact.
a) radiation
b) conduction
c) convection
d)

The energy contained in the nucleus of atoms__________________________ energy.
a) mechanical
b) nuclear
c) electrical
d) chemical

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