Vocabulary
the ability to cause change
energy
The biggest source of light energy
sun
Riding a bike is an example of this kind of energy.
kinetic energy
the 2 things that affect kinetic energy
mass , speed
the energy that comes from a substance whose molecules are vibrating faster due to a rise in temperature.
heat or thermal energy
Energy that is in motion.
Kinetic Energy
If you imagine a drop of water about to fall down a waterfall, at the top of the waterfall the drop of water has this kind of energy.
Potential Energy
this form of energy cooks food in boiling water
thermal/heat energy
a light bulb converts electrical energy into which of the following energy?
A.) light only
B.) heat and light
C.) heat only
D.) light and motion
heat and light
All fuels have _________energy
Chemical Energy
What is the law of Conservation of Energy?
Energy can't be created or destroyed.
This type of energy is present in a glass on a shelf
Potential energy
When a ball is thrown upward, where dies it have the lease kinetic energy?
At it's highest point.
How can a roller coaster gain potential energy?
Go higher
Which energy is given off when a cell phone rings?
sound energy
The energy that moves objects
Mechanical Energy
What energy CHANGE takes place when someone plugs a radio into an electrical outlet?
A.) light energy changes to sound energy
B.) sound energy changes into electrical energy
C.) electrical energy changes into sound energy
D.) chemical energy changes into sound energy
D.) Electrical energy changes into sound energy
Both of these types of energy produce "waves" and are a part of our bodies' senses. Some examples are your tv, and your phone
Sound & light energy
A hair dryer transforms _______energy to _____ ,________, & ________
electrical to mechanical, sound, and heat
What are the 2 major categories of energy
Kinetic and Potential Energy
x rays are what type of energy
electromagnetic energy
music coming from the radio, your loud vacuum cleaner, people talking on tv are all examples of this type of energy
sound energy
How can you reduce friction?
Applying a lubricant, such as oil or grease.
Where do plants get their energy to live?
From the sun
Nuclear power plants turn ____________ energy to _________energy
nuclear electrical