Energy & Motion
A moving object has energy of __________.
motion
A cup of warm cocoa warms up your hands as you hold it. This is an example of transfer of energy through _______.
heat
Energy traveling through an electric current must be transferred through a _______ loop.
closed
This word means to be useful without creating a lot of wasted energy
efficient
This type of resource is a one found in nature
This means to move or shift from one object to another
transfer
Energy can be transferred without moving an object in 3 ways, what are they?
heat, light, sound
This word means "interactions between electric charges or tiny objects that push and pull on one another."
electricity
A music player stores energy where?
battery
This type of resource cannot be replaced quickly, for example: coal, oil, and natural gas.
nonrenewable resource
90 lbs
This vocabulary word means "to bounce off." Light does this to objects so that we can see.
reflect
What kind of device uses electric current used to produce motion?
a motor
When stored energy is released where does it go?
This type of resource can be replaced as quickly as it is used, examples include: sunlight, water, and wind.
renewable resource
What TWO factors impact how much energy an object has?
weight and speed
This vocabulary word means to move back and forth very quickly. Hint: this is where sound energy begins.
vibrate
This material is a good conductor of electricity
metal
What is stored energy?
energy that can be used a different time or place than where it started out.
Which fuels are often used to produce heat?
oil and natural gas
An object that is not moving but has the ability to move has what kind of energy?
potential energy
This vocabulary word means "to take in."
absorb
This is a flow of electric charges
electric current
To produce energy means to change stored energy into what?
a useful form
If you walk, ride the bus, or take a car to school you are using what?
energy