Science April 2018 Energy
Terms in this set (33)
The ability to do work or cause change.
The transfer of energy.
Energy is measured in...
The rate at which energy is transferred or the amount of energy transferred in a unit of time.
Machines have __ power if it transfers the same amount of energy in less time.
Kinetic and potential
What are the two basic types of energy?
Motion, position, and shape
What are three things that decide whether or not energy is kinetic or potential?
The energy an object has due to its motion.
The __ an object moves, the more kinetic energy it has.
Kinetic energy increases as mass ___.
Changes in speed
Which have a greater affect on kinetic energy, changes in speed or changes in mass?
Energy that results from the position or shape of an object
Gravitational potential energy
Potential energy related to an object's height.
The work done to lift it to that height
The gravitational potential energy of an object is equal to...
Gravitational potential energy=
Elastic potential energy
The energy associated with objects that can be compressed or stretched.
The form of energy associated with the motion, position, or shape of an object.
Potential energy+kinetic energy
Can objects with mechanical energy do work on other objects?
Nuclear, thermal, electrical, electromagnetic, and chemical
What are the forms of energy associated with the particles of objects? (5)
A type of potential energy stored in the nucleus of an atom; released during a nuclear reaction.
The total kinetic and potential energy of the particles in an object.
The charges are moving or stored
Whether or not electrical energy is kinetic or potential depends on whether...
A form of energy that travels through space as waves.
What type of wave can move in a vacuum?
Potential energy stored in chemical bonds.
All of them
Which forms of energy can be transformed into other forms of energy?
A change from one form of energy to another.
Law of Conservation of Energy
States that when one form of energy is transformed to another, no energy is lost in the process.
What makes energy appear to be destroyed?
When friction happens, ___ energy is transformed into __ energy.