Show:
Your Resistance is Futile
It's Getting Hot in Here
Transformers (More than meets the eye)
Magnificent Magnetism
Sola' Powa'
100
This is the amount of voltage carried across a 75 Ω resistor with 1.6 A of current.
What is 120 V?
100
The round-and-round moment of matter due to differences in density and temperature.
What is convection?
100
This is the 2 part energy transformation used by a blender making a smoothie.
What is [Electric Energy] > [Mechanical Energy]?
100
The only combination of charges which will attract one another.
What is positive and negative?
100
The phase change in which radiation, from the sun, turns water into water vapor.
What is evaporation?
200
This is the resistance of the copper wire with a potential difference of 12 V, producing a current of 0.3 A.
What is 40 Ω?
200
The reason why a fire-poker gets warm when moving logs on the campfire.
What is thermal conduction?
200
This is the 3 part energy transformation as a windmill produces power.
What is [Wind Energy] > [Mechanical Energy] > [Electric Energy]?
200
The direction of current flow, according to the right-hand rule, if the power source is below the magnetic field. (Clockwise or counter-clockwise)
What is clockwise?
200
The insulating substance which retains the majority of the heat energy in a passive solar heated home.
What is air?
300
This is the current carried by a nickel wire with 25 Ω of resistance, connected across the terminals of a 3 V flashlight battery.
What is .12 A?
300
Electromagnetic waves of energy which travel rapidly through outer space.
What is radiation?
300
This is the 3 step energy transformation as a person peddles a bike.
What is [Chemical Energy] > [Mechanical Energy] > [Kinetic Energy]?
300
The magnetic pole which draws the "N" labeled indicator north.
What is magnetic south?
300
This is the 3 step energy transformation as a solar-cell on a rooftop is used to run a water heater in the basement.
What is [Radiation] > [Electric Energy] > [Kinetic Energy]?
400
A category of material with reduces the flow of electricity. In terms of temperature, these materials also reduce the flow of heat energy.
What is an insulator?
400
These are the two forms of heat energy transfer highlighted by our solar cooker/home experiment. The first powers the second. (Order important.)
What is radiation and convection.
400
This is the 3 step energy transformation within an automobile.
What is [Chemical Energy] > [Mechanical Energy] > [Kinetic Energy]?
400
This is the continent where the magnetic north pole is located.
What is Antarctica?
400
The percent of people in this world without regular access to clean drinking water. (Within 2%)
What is 11%? (780+ million people)
500
This is the proper name for the SI unit of current.
What is the ampere?
500
The area of this room which is warmest on a hot summer day. (And why?)
What is the ceiling? Because of rising convection currents.
500
This is the 3 step energy transformation within a microwave warming leftovers.
What is [Electric Energy] > [Radiation] > [Kinetic Energy]?
500
Ways to increase the strength of a solenoid's magnetic field. (2 of 3 required)
What is increase the current, increase the number of loops, or insert a rod of iron?
500
The temperature a solar cooker (or any heat source) must reach in order to pasteurize or clean water.
What is 150 degrees Fahrenheit / 65 Celsius?