Vocabulary
the ability to do work
energy
The biggest source of light energy
sun
Riding a bike is an example of this kind of energy.
kinetic energy
How can a roller coaster gain potential energy?
Go higher
At what point does a roller coaster have the most potential energy?
The highest point of the roller coaster
The energy of 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?
light only
heat and light
heat only
light and motion
heat and light
_______ is always released in an energy transformation
Heat
______ energy is the only source of energy we can see.
Light Energy
This type of energy is present in a glass of water on a table?
Potential 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
What energy CHANGE takes place when someone plugs a radio into an electrical outlet?
light energy changes to sound energy
sound energy changes into electrical energy
electrical energy changes into sound energy
chemical energy changes into sound energy
Electrical energy changes into sound energy
Is energy ever lost in an energy transformation?
No, but it can be transformed into heat energy
Units for Energy
the energy that comes from a substance whose molecules are vibrating faster due to a rise in temperature.
heat or thermal energy
The kinetic energy of an object is calculated from the ________ and the ____ of the object
velocity/speed, mass
When you eat an apple, your body transforms _____ energy into ______ energy
chemical, mechanical
Name 5 forms of energy
thermal energy, sound energy, light (or solar or radiant or electromagnetic) energy, electrical energy, kinetic energy, potential energy, chemical energy, nuclear energy, etc.
The Law of Conservation of Energy states that energy is never created or destroyed, it is only ________ from one form to another.
changed
music coming from the radio, your loud vacuum cleaner, people talking on tv are all examples of this type of energy
sound energy
The energy stored in chemical bonds that hold chemical compounds together
Chemical Energy
A toaster transforms _____ energy to _____ energy
electrical, thermal
If you double the mass of an object, what happens to the kinetic energy?
The kinetic energy doubles