21 terms

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

###### PLAY
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 ______.
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