Vocabulary I
The ability to do work.
What is energy?
The most important source of light energy.
What is the sun?
The location on a roller coaster with the most potential energy.
What is the top of the first hill?
A solar panel converts radiant energy into this form of energy.
What is electrical energy?
Two forms of energy that travel as waves.
What are light and sound?
This is energy of motion.
What is kinetic energy?
Calculated by distance over time (meters/second).
What is speed or velocity?
On a rollercoaster, as potential energy decreases, kinetic energy____________.
What is increases?
A light bulb converts electrical energy into these two energies?
What are light and heat energies?
A small amount of this energy is released when friction slows or stops a moving object.
What is thermal or heat energy?
When one form of energy converts into another form.
What is energy transfer?
This type of energy is present in a rock at the top of a hill.
What is potential energy?
Two variables that increase potential energy.
What are mass and height?
Our bodies convert food into this form of energy.
What is chemical energy?
The form of energy that occurs when a cyclist is pedaling or a soccer player is kicking the ball.
What is mechanical energy?
A force that occurs when two surfaces are rubbed together.
What is friction?
Resistance to movement over a surface or through a substance.
What is friction?
The unit of measurement for energy.
What are Joules (J)?
A hair dryer transforms electrical energy into (this kind of energy) and (this kind of energy).
What are heat and sound energy?
This energy is sometimes called solar energy or light energy.
What is radiant energy?
This law states that energy is never created or destroyed, it is only changed from one form to another.
What is the Law of Conservation of Energy?
The two types of potential energy.
What are gravitational and elastic?
Two variables that increase kinetic energy.
What are mass and speed?
The process in which plants turn light energy into food.
What is photosynthesis?
When we burn wood in a fire, we are converting this form of energy and turning it into heat energy.
What is chemical energy?