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WorksheetsTypes of Energy & Thermal Energy Review
Total questions: 15
Worksheet time: 8mins
Which simple machine is a variation of an inclined plane?
lever
wedge
wheel and axel
pulley
What factor can decrease the efficiency of a machine?
output
input
input force
friction
Which one describes the energy conversion occurring in a running car engine?
mechanical to chemical
thermal to chemical
chemical to mechanical
kinetic to mechanical
What factor affects gravitational potential energy of the object in an object-Earth system
mass of the object
surface area of the object
the speed of the object
the radius of the Earth
Which statement is true about the kinetic energy of an apple falling from a tree?
kinetic energy remains constant
kinetic energy increases
kinetic energy decreases
Which statement is true about the potential energy of an apple falling from a tree?
potential energy remains constant
potential energy increases
potential energy decreases
At which point of the a roller coaster track, would the coaster have the greatest kinetic energy?
At the bottom of the first hill
At the top of the first hill
At the top of the last hill
At the bottom of the last hill
The Law of Conservation of Energy states that
energy is not created or destroyed and its form is constant
energy cannot be created or destroyed
energy cannot be created and destroyed but cannot change form
when energy is transformed, the total energy of a system is less than it was before the change
Energy is defined as the ability to cause change.
True
False
Which of the following are types of energy (Check all that apply)?
gravitational potential energy
potential energy
kinetic energy
mechanical energy
elastic potential energy
___________ measures the average kinetic energy of all particles that make up an object.
Temperature
Conduction
Radiation
Thermal Energy
Which is an example of convection?
Snow melting in your hand
Earth heated by the sun
rain forests near the equator
water boiling on a stove
What are materials called that don't allow the transfer of thermal energy easily?
conductors
insulators
fluids
currents
What type of thermal energy would a sun bather experience sunbathing on a sunny day?
conduction
radiation
conduction and convection
convection and radiation
A hot iron transfers the energy from the iron into the clothes by
conduction
convection
radiation
convection and radiation
