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Terms in this set (33)
energy in motion
energy that is stored to be transformed at a later time.
elastic potential energy
stored energy released when an object's shape is changed (as in a stretched rubber band or a coiled spring).
gravitational potential energy
stored energy of an object based on its position above the ground.
vibrating air that travels as waves to your ears.
experienced as heat; the energy of motion of all the particles in an object.
energy that moves in the form of rays, waves, or particles.
the energy of moving electric charges.
a push or pull on an object
Law of Conservation of Energy
The total amount of energy in a system is the same before and after a transformation. Energy can be transferred or transformed, but cannot be lost or destroyed.
It is a potential energy. Energy that is stored in the bonds of atoms and molecules.
(Ex.Food, the body convert into mechanical energy and heat.)
The energy acquired by the objects upon which work is done is known as mechanical energy. It is the ability to do work. The sum of kinetic energy, gravitational potential energy and elastic potential energy in a system.
Energy transferred by the rapid movement of electromagnetic fields.
Energy from the suns rays.
The process by which energy is transferred directly when materials touch each other. It is a result of electron and atomic collisions inside the materials.
Materials that have a structure that easily allows energy transfer.
Materials that are poor conductors and slow down the rate of energy movement.
A way to increase (or decrease) an object's energy by using a force to change the object's position or motion.
When an object is squeezed or pressed together.
The force of attraction between any two masses. Near the Earth's surface, gravity is the force that attracts objects towards the center of the Earth
A collection of objects that interact.
Conditions or procedures that are held constant.
independent (manipulated) variable
A factor that is changed in an experiment
dependent (resulting) variable
A factor that is affected by the changes in the independent (manipulated) variable.
When energy flows from one storage to another.
When energy changes from one form to another.
A force that holds back the movement of a sliding object.
How does work affect kinetic energy?
Work can be done to an object to increase its speed, and therefore increase its kinetic energy. Work can also
be done to decrease an object's speed and decrease its kinetic energy. A moving object also has the capacity to do work because of its kinetic energy. The factors that control the amount of work a moving object can do are its mass and speed.
How does energy need to transfer and transform in order to go from the sun to your computer?
This is one example:
Forms of kinetic energy
Forms of potential energy
How would you define energy in your
energy is the ability to cause
change or do work.
Explain the relationship between kinetic and
potential energy of an object and its
mass and speed
Think about the ramp to explain your answer.
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