Show:
Forms of Energy
Potential and Kinetic
What is energy?
Energy Transformations
Energy Equations
100
Light Bulb, Star and Night Light
What is Light Energy
100
Energy that is stored.
What is potential energy?
100
A force to move an object through a distance.
What is work?
100
Can energy be transferred from one form to another?
Yes.
100
What is the equation to calculate work?
What is work=force x distance
200
Your voice, Wind, Radio and Thunder.
What is Sound Energy?
200
Energy of motion.
What is kinetic energy?
200
The ability to do work.
What is energy?
200
when a light bulb is turned on, what transformation takes place.
electrical energy to light energy to thermal energy.
200
Work is expressed in what measurement?
What is joules?
300
Stored in plants and foods that you eat, fuels and a battery.
What is Chemical Energy?
300
All energy is...
potential or kinetic.
300
What does energy do?
It causes things to move, change states of matter or a chemical change to occur.
300
When a book that was placed on a ledge falls to the floor what transformations are taking place?
Potential energy to kinetic energy to sound energy.
300
A force of 50 N is used to move a wagon 5 m. How much work is done?
What is 250 Joules?
400
An oven, a fire and your body.
What is Heat Energy?
400
Describe how a potential energy can become kinetic energy.
Teacher is the judge.
400
The amount of work done per unit of time.
What is power?
400
As a car moves what transformations are taking place?
chemical energy to mechanical energy.
400
How do you calculate power?
What is power= work / time
500
Energy that is released from the sun.
What is Nuclear Energy?
500
Describe at what point a pendulum has the greatest potential energy.
When the pendulum reaches it's greatest height before dropping back down.
500
What is the law of conservation?
Energy cannot be created or destroyed.
500
If you use a portable radio what transformations are taking place.
chemical energy to sound energy.
500
A task requires 400 joules of work and took 20 seconds. What is the power for the task?
What is 20 Watts