PE and KE
Types of Energy 1
Types of Energy 2
Examples
Energy Levels/Transfers
100
This is the energy that is stored
What is potential energy?
100
The flow of electrons
What is Electrical Energy?
100
A solid, liquid, or gas in motion
What is Mechanical Energy?
100
A rolling ball has this kind of energy.
What is Mechanical?
100
This is the highest energy EM Radiation.
What is a gamma ray?
200
This is the energy of something in use/in motion
What is kinetic energy?
200
Splitting or combining nuclei.
What is Atomic (nuclear) Energy?
200
The making and breaking of bonds between atoms
What is Chemical Energy?
200
Examples of chemical energy:
1- measured in joules
2- measured in calories
What are 1. gasoline/oil/coal and 2. food?
200
Thermal energy moves through solids with direct contact using this.
What is conduction?
300
In a kinetic energy problem,
KE=1/2mv^2
This is squared.
What is velocity (only velocity)?
300
Attraction of things that have mass
What is Gravitational Energy?
300
Photons moving at the speed of light
What is Radiation (EM) Energy?
300
Energy types in a campfire?
What are Chemical and Thermal?
300
Thermal energy moves through fluids using this.
What is convection?
400
A 10 kg boulder rests and the top of a hill. If the hill is 20 m high, how much PE does it have?
1960 J
400
Vibration of molecules moving in waves.
What is Sound Energy?
400
Vibrational energy passed from molecule to molecule
What is Thermal Energy?
400
Ocean Waves are an example of these energies.
What are Mechanical and Gravitational?
400
The range of human hearing in Hertz.
What is 20 Hz to 20kHz (20,000Hz)?
500
A car has a velocity of 40 km/hr. It weighs 1600 kg. What is its kinetic energy?
1,280,000 J
500
These Energy types have Kinetic Energy.
(Must list all)
What are Sound, Radiation, Electrical, Mechanical, Thermal, and Gravitational.
500
These Energy types have Potential Energy.
(Must list all)
What are Chemical, Atomic, Mechanical, and Gravitational?
500
This image shows what kind of energy?
What is Chemical Energy?
500
The difference between loudness and pitch.
(full answer comparing the two required for full points)
Loudness is the volume of a sound- determined by the amplitude
Pitch is how high or low a sound is in tone, and depends on frequency