WAVE Bye-Bye
Summer's HEATing up
ELECTRIC fan
CHARGE me up
Floating in the Pool
100
What is the distance from the midpoint to the maximum or minimum of a wave?
amplitude
100
What is the form of heat transfer that requires no medium to travel through?
radiation
100
What is the total resistance of two four ohm resistors in a series curcuit?
8 ohms
100
What is the result of two like charges coming in contact with each other?
they repel
100
What is the density of an object that has a mass of 6 grams and a volume of 3 cubic centimeters?
What is 2.0 grams/cm^3
200
What is happening when a piano string begins to vibrate after a guitar string nearby is plucked?
resonance
200
What is the form of heat transfer that causes clouds to build?
convection
200
What is current in a circuit that has a 12 volt battery and a resistor of 4 ohms?
3 A
200
What is net charge of an atom that has gained electrons?
negative
200
What is the weight of water displaced by a floating boat that weighs 2000 lbs in order for it to float?
2000 lbs
300
What is the wavelength of a 680 Hz tone in air when the wave speed is 340 m/s?
.5 meters
300
What is the thing most substances do when heated?
expand
300
What is the result of placing a compass near a current carrying wire?
line up with the magnetic field created by the current
300
What is circuit that has more than one path for electric current to flow?
parallel
300
What is the name of the Greek scientist who said that the bouyant force is equal to the weight of water displaced?
Archimedes
400
What is the source of all electromagnetic waves?
vibrating charges
400
Why does water heat more slowly than metal when exposed to the same heat energy?
it has a higher specific heat
400
What is the electrical phenomenon called that results in lightning causing the ground to gain a positive charge?
Induction
400
What is the measure of resistance?
Ohms
400
What happens as a substance becomes more viscous?
moves more slowly
500
What is the time required to hear your friend say "Hello" to you across a gym from 34 meters away. Speed of sound is 340 m/s?
.1 seconds
500
What is heat?
Average kinetic energy of molecules.
500
What law relates the relationship between voltage, current, and resistance?
Ohm's Law
500
What is created when a current flows through a wire?
A magnetic field
500
What is the total resistance of two 20 ohm resistors connected in parallel? (Yes, I know this is electricity :) )
What is 10 ohms?
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