Types of Energy
What is stored energy called?
Potential Energy
Name something would still work during a power outage?
A faucet, a car, a phone, anything that uses batteries or gas
What can make a roller coaster reach higher speeds?
Higher hills. When the roller coaster is higher, it has more gravitational energy stored.
Where do cities get most of their energy today from?
Burnable sources of energy
What is energy in motion called?
Kinetic energy
If a toaster is getting hot is it using electricity?
Yes, electricity warms things up
What happens when marbles collide?
Energy transfers from one marble to the next, causing the second marble to move.
True or False: Some energy sources are more packed with energy than others
True
What kind of stored energy do wind up toys, a pogo stick, twisted rubber bands and bows and arrows have?
Elastic Energy
If a light is turned on in the kitchen, is electricity being used
Yes, electricity lights things up
Not all the energy goes into the other marble when they collide? Where does the other energy go?
What is the main example of air pollution called?
Smog
What type of potential energy does a ball have when it is resting at the top of a ramp?
Gravitational Energy
If I eat food to fuel my body, is that using electricity?
No, I am using and gaining energy to feed myself but it is NOT electrical
Imagine I am bowling. If I put a second bowling ball in the middle of the lane, will I knock now more or less pins?
Less because some energy is getting lost when it hits the second ball
To use solar energy 250 days needs to be sunny a year
If the city I live in only has sun for 200/365 can I set up solar panels?
No, solar panels will not work in my city because it is not sunny enough
If I am pulling a ball in a slingshot, how can I make it go as far and fast as possible?
Stretch it as far as you can to build as much stored energy
What are the three rules of electrical energy
Runs along a path
Travels through conductors such as aluminum or copper
Flows from the negative side of a battery to the positive side
How does weight affect what happens when an object gets hit?
In a collision, a lighter object is easier to move than a heavier object.
What do you need to have wind energy as your main resource?
Fast and frequent windy days