Potential vs. Kinetic
Energy Types and Transformations
Parts of a Wave and Signals
Electromagnetic Spectrum and Wave Behaviors
Potpourri
100
What are the 2 types of potential energy?
elastic and gravitational
100
What is the unit for energy?
Joules (J)
100
What are the 4 parts of a wave?
Amplitude, Crest, Trough, Wavelength
100
What do we can the part of the electromagnetic spectrum we can see?
Visible Light
100
Name that superhero:
Iron Man
200
How does heat move?
From hot to cold
200
What is an energy transformation?
energy changing from one kind into another
200
Name the two ways signals are transmitted.
Digital and Analog
200
What are the three types of wave behaviors we have learned about?
Absorption, Transmission, Reflection
200
How many donuts are in a baker's dozen?
13
300
What is the difference between potential energy and kinetic energy?
potential=stored energy
kinetic= energy of motion
300
Food is an example of this type of energy.
Chemical
300
If I want to increase the volume, what do I have to change about the sound wave?
Increase the Amplitude
300
Why does an apple appear red?
It absorbs all colors except for red, which it reflects
300
What is the longest river in the United States?
Missouri
400
Name 2 ways you can decrease an objects gravitational potential energy?
-lower it to the ground
-move it in from an edge
-decrease its mass
400
When a person bends a glow stick, a small chamber inside it breaks, releasing a substance that reacts with other substances inside the glow stick. The reaction that takes place causes the glow stick to glow. What type of energy transformation is this?
A. sound energy → light energy
B. chemical energy → light energy
C. thermal energy → light energy
D. electrical energy → light energy
400
What do I have to change about a wave to make it higher pitched (more mouse-like)?
Increase the frequency
400
If I was playing golf on a sunny day, which color would I want to wear (navy, black, white)? Why?
White because it reflects all visible light, it doesn't absorb them
400
How any months of the year have 31 days?
7- January, March, May, July, August, October, December
500
Provide an example of radiation.
-sunlight
-x-ray
-microwaves
-UV light
-Wi-fi
-Remote controls
-radio waves
-MRI scans
500
The TV produces these three types of energy.
Thermal, Light, Sound
500
Why are digital signals better than analog signals?
Digital signals use binary code which allows for reduced static and self-correction
500
Name and put the 7 parts of the electromagnetic spectrum from lowest energy to highest energy
Radio, Microwaves, Infrared, Visible, Ultraviolet, X-Ray, Gamma
500
Are clouds heavy?
Yes! They are VERY HEAVY!
Average cumulus cloud weighs 1.1 MILLIONS POUNDS!