Interactive Science: Forces and Energy) Chapter 4 Test (Energy)

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energy

ability to do work or cause change

power

rate at which energy is transferred, or the amount of energy transferred in a unit of time

nuclear energy

type of potential energy; stored in the nucleus of an atom

potential energy

energy that results from the position or shape of an object

kinetic energy

energy an object has due to its motion

mechanical energy

form of energy associated with the motion, position, or shape of an object

energy transformation

a change from one form of energy to another

electromagnetic energy

form of energy that travels through space in waves;source of waves from vibrating electrical charges;travel through vacuumm, or empty space

electrical energy

energy from electrical charges; depending on whether or not the energy is stored or moving,________ can be potential or kinetic

joules

Energy is measured in ______.

Add kinetic and potential energy

How to calculate mechanical energy?

energy transformations

Why can water produce energy?

What happens to the kinetic energy if the velocity of an object is doubled?

Energy transferred over time

What is the equation to calculate power?

Half mass times speed squared

What is the equation to calculate kinetic energy?

gravitational potential energy

potential energy related to an object's height

weight times height

What is the equation for gravitational potential energy?

elastic potential energy

energy related with objects that can be compressed or stretched

particles of objects

Forms of energy related with the ________ include nuclear energy, thermal energy, electrical energy, electromagnetic energy, and chemical energy.

law of conservation of energy

states that when one form of energy is transformed to another, no energy is lost in the process

potential and kinetic energy

two basic types of energy

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