Circular Motion
Waves
E & M
Toss up
Mystery
100
The direction of centripetal force
What is inward (toward center of circle)?
100
The three primary colors of light
What are red, blue, and green?
100
The particle that carries charge from place to place
What is an electron?
100
The low point in a wave
What is a trough?
100
This method of charging happens when you rub your feet on the carpet
What is charging by friction?
200
The units for torque
What are Newton-meters (N-m)?
200
It determines a sound’s pitch
What is frequency?
200
It is what makes an object “charged”
What is an imbalance of charge?
200
Any time two waves meet, this takes place
What is interference?
200
A wave that reflects back and appears to be not moving
What is a standing wave?
300
When in circular motion, this is what makes you feel pushed outwards
What is your own inertia?
300
The meaning of the unit Hertz
What is waves per second?
300
Glass, rubber, Styrofoam, and wood are examples
What are insulators?
300
When in circular motion, an object’s net force is equal to this
What is the centripetal force?
300
Why a ring rolls downhill more slowly than a disk
What is greater rotational inertia?
400
The three things torque depends on
What are the amount of force, the distance away that the force is applied, and the angle at which it is applied?
400
A 40dB sound is this many times more intense than a 20dB sound
What is 100?
400
This unit is equivalent to a J/C (a Joule per Coulomb)
What is a Volt?
400
The cause of an echo
What is reflection?
400
A wave bends/changes directions because it passes a barrier
What is diffraction?
500
This factor alone determines how fast our satellites need to travel to stay in orbit
What is the height (or distance away) of the satellite?
500
When light waves are all oriented in the same direction
What is polarization?
500
The primary difference between electric force and gravitational force
What is that gravity only attracts while electric force can attract or repel?
500
The principle that the faster a fluid moves the less outward pressure it exerts
What is Bernoulli's Principle?
500
The reason why a car horn appears to change pitch as it passes
What is the Doppler Effect?
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