Vocab
The ability to cause change or do work.
What is energy?
What is the name of the strategy to help you remember all the forms of energy?
What is work = force times distance?
What kind of energy is being transformed in a solar cell?
What is radiant to electrical energy?
What do you call the type of heat transfer through direct contact?
What is conduction?
A device that changes the force or increases the motion from work.
What is a machine?
The energy of moving electrons or electric charges
What is electrical energy?
A couch is pushed with a horizontal force of 80N and moves a distance of 5m across the floor. How much work is done in moving the couch?
What is 400 Joules?
What types of energy transformations are used in a hair dryer?
What is electrical to mechanical to thermal to sound energy?
What do you call this type of thermal energy that travels through gases and liquids?
What is convection?
A machine that does work with only one movement of the machine.
What is a Simple Machine?
The energy of heat.
What is thermal energy?
What is the equation for gravitational potential energy?
What type of energy is being transformed in a flat iron?
What is electrical to thermal energy?
What type of thermal energy travels through electromagnetic waves/empty space?
What is radiation?
The energy that is stored by compressing, stretching, or bending an object.
What is elastic energy?
Energy of light; also referred to as light energy or electromagnetic energy
What is Radiant Energy?
A crane lifts a 75kg mass a height of 8 m. Calculate the gravitational potential energy gained by the mass (g = 9.8 N/kg).
What are 5880 joules?
What type of energy is being transformed in an electric light bulb?
What is electrical to thermal to radiant energy?
What is an insulator?
The energy that is due to chemical bonds.
What is Chemical Energy?
•The energy in moving objects
•Energy of motion or position
•Can be potential energy or kinetic energy
What is Mechanical Energy?
What is the equation for power?
What is Power=energy divided by time?
What type of energy is being transformed in a car engine?
What is chemical to thermal to kinetic energy?
What is the most common heating system in the United States?
What is the forced air system?