EM Waves Part 1
What is the shortest wavelength category on the electromagnetic spectrum?
Gamma Rays
What kind of angles do electric and magnetic fields vibrate at?
Right Angles
Three particles make up an _________.
Atom
What 3 particles make up an atom?
Protons, Neutrons, and Electrons
Is a proton a positive, negative, or neutral charge?
Positive
What is the speed of light? (Provide # and Unit of Measurement)
300,000 Km/Sec
Gamma Rays come from what kind of elements?
Radioactive
What is the unit of measurement for an electric current?
Amps
The continuous flow of electric charges through a material is known as an electric ________________.
Current
Come up to the board and draw the electromagnetic spectrum with all 7 ranges in order
Answers will vary
What color does light look like when all colors are present?
White
What range of waves are between microwaves and visible light?
Infrared
When objects have the same type of charge, do they repel or attract?
Repel
This type of circuit offers more than one path for the flow of electricity.
Parallel
Transurethral Microwaves are used to treat what kind of syndrome?
Urinary Tract
Microwave _____________ is used to treat tumors in the liver.
Ablation
Cell phones and satellites use microwaves between __________ cm and _____________ cm for communication.
1 and 20
What is a load?
A device in a circuit that operates using electrical energy
Electric charges will always flow from a region of _________ potential energy to a region of ___________ potential energy.
High to Low
In Call of Duty, you can use an attachment that allows you to see heat signatures through walls. What kind of waves are these being used?
Infrared
This is the range of wavelengths within 390 to 700 nanometers
Visible Light
List 3 ways we use X-Rays
Medicine, Industry, and Transportation (Answer may vary based on examples)
What is the path called that electricity flows through?
Circuit
Name an example of a 'Load' used in everyday life.
Answers may vary
Name an example of a resistor in a circuit from everyday life.
Answers may vary