Energy Question Preview (ID: 31257)
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What is the transfer of energy through direct contact?
a) conduction
b) convection
c) radiation
d) mechanical
A hot air balloon that rises due to hot air is an example of
a) electrical
b) radiation
c) conduction
d) convection
your hands being warmed by a fire is an example of
a) radiation
b) convection
c) conduction
d) kinetic
the transfer of thermal energy is best described as
a) temperature
b) heat
c) waves
d) energy
energy is often best referred to as
a) Matter
b) The ability to cause change
c) A push or a pull
d) anything that has a mass and takes up space
The motion of running is an example of
a) thermal energy
b) electrical energy
c) mechanical energy
d) potential energy
using heat lamps to melt an ice cube is an example of
a) mechanical
b) conduction
c) convection
d) radiation
electrical energy can best be described as
a) the energy of moving electrons
b) the energy of heat transfer
c) the transfer of energy by direct contact
d) the transfer of energy in fluids
what energy transformation takes place when you lift weights
a) electrical to thermal
b) chemical to mechanical
c) mechanical to potential
d) thermal to potential
drinking hot chocolate and burning your tongue is an example of
a) conduction
b) convection
c) radiation
d) potential
using a blow dryer to dry your wet hair is the best of example of what energy transformation
a) electrical to potential
b) electrical to thermal
c) electrical to mechanical
d) electrical to chemical
a heat pack warming up is the best example of what energy transformation
a) chemical to thermal
b) chemical to electrical
c) thermal to mechanical
d) thermal to potential
energy that occurs in fluids (gases and liquids) is
a) convection
b) conduction
c) radiation
d)
feeling the sun on your face is an example of
a) radiation
b) convection
c) conduction
d)
an example of the energy of moving electrons is
a) an xbox plugged into the wall
b) eating an apple
c) running a marathon
d) a roller coaster at the top of a hill
Which of the following is the best example of electrical energy
a) Digesting food
b) hitting a nail
c) powering up a computer
d) roasting a marshmallow
Which of the following is the best example of mechanical energy?
a) Roasting a marshmallow
b) powering up a computer
c) Digesting food
d) Hitting a nail
Two general forms of energy are
a) potential and kinetic energy
b) chemical and kinetic energy
c) potential and thermal energy
d) chemical and thermal energy
When a spring is compressed, its __________________ energy is increased
a) potential
b) kinetic
c) thermal
d) mechanical
a roller coaster at the top of the hill has 50 J of potential energy, how much kinetic energy do they have at the bottom?
a) 30J
b) 0J
c) 50J
d) 15J
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