Changing Energy
from one form to another
Energy transfer
When you push something you are passing energy so it can move.When you kick a ball kinetic energy goes to the ball.
energy changes form
A skateboard has potential energy.When she is at the bottom of the she moves fast.All her energy is kinetic.
Extreme Downhill Skateboard
The flow of energy
In a ecosystem energy passes from the sun to living things.When a flash light turns on, chemical energy changes to electricity.
electricty and circuits
Electricity can change into other forms of electricity. It also has a deice like a light bulb that when it does something when electricity goes through it.
Vocabulary Words
.
- Energy transfer , In an energy transfer, energy passes from one thing to another.
- A Circuit , A circuit is a path that electricity can flow through.
- A Series , In a Series circuit, electricity has one path to follow.
- A parallel circuit , In a parallel circuit , electricity has more than one path to follow.
Review Questions
- A scientist is trying to find a way to use sunlight to power a computer. What kind of energy change does the scientist want to happen ?
- A cow eats some grass. What kind of energy does transfer to the cow ?
- Which picture shows a complete parallel circuit ?
- A radio plays some music. Which energy transfer is most likely talking place ?
Answers for the Questions
- chemical to electricity.
- kinetic energy
- B
- electricity to sound energy.