What type of energy is in motion?
Kinetic
What type of energy does a bat use?
Sound
What are forces?
Pushes or Pulls
Wind, coal, nuclear fuel pellets, Earth's interior, and the Sun are sources of ____________.
Energy
What type of electromagnetic waves does a cell phone use?
Microwaves
Which type of energy has stored energy?
Potential Energy
The sum of potential energy and kinetic energy in a system of objects is ____________ energy.
Mechanical
To do work on an object, an object must move in the direction of the __________.
Force
Energy never disappears. It just changes ___________.
Form
States that energy can be transformed from one form to another, but it cannot be created or destroyed.
Law of Conservation of Energy
Objects like wind turbine blades and particles like molecules, ions, atoms, and electrons have _______________ energies.
Kinetic and Potential
Does food have chemical energy?
Yes
What is the force between two surfaces that are in contact with each other?
Friction
The ability to cause change.
Energy
What is the equation for work?
W = F x d