sources
What does nonrenewable sources mean?
A source of energy that will eventually runout
Where does solar energy come from?
The Sun
If I have a tea kettle plugged into an electrical outlet and my water heats up what is the energy transfer that is happening?
Electrical energy is being transferred into heat energy
what is amplitude?
height of a wave
How is speed related to energy
The higher the speed the higher the energy
What does renewable source mean?
Where does hydropower come from?
Water
If I have a tea kettle steaming and it makes a pinwheel move what is the energy transfer?
heat energy transfers to motion energy
What is frequency?
the number of waves in a given amount of time
What can you predict will happen if a marble collides with other marbles at a fast speed?
The other marbles will will start moving quickly
What are 3 nonrenewable sources?
oil,coal,natural gas
Where does natural gas come from?
It comes from the remains of animals and plants
If a tea kettle is plugged into the wall THEN it starts steaming THEN the steam makes a pinwheel move what are 3 types of energy being transferred?
electrical energy into heat energy into motion energy
What is a crest?
highest point of a wave
What sound would be produced when the fast moving marble collides with the other marbles?
A loud sound
What are 3 renewable sources?
Wind, solar, hydropower
Where does oil come from?
It comes from the remains of animals and plants
If a tea kettle is plugged into the wall THEN it starts steaming THEN the steam makes a pinwheel move what is the FINAL FORM of energy?
motion energy
What is wavelength?
The distance between waves
If you hit a marble at a high speed it would have speed. what are 2 ways you know this??
1. The marble rolled makes the other ones move quickly after it collides
2. the marble makes the other marbles move a long distance after it collides
What are two pieces of evidence that prove non renewable energy sources can be harmful to the environment?
oil spills and environmental pollution
where does coal come from?
heat inside the earth
How is electricity made in a generator?
converting mechanical energy (like spinning motion) into electrical energy
What is a trough?
lowest point of a wave