What percentage of an incandescant lightbulb produces heat?
What is 90%
100
What happens to the volume of sound as you increase resistance?
What is decrease.
100
All energy in the world, comes from what?
What is the Sun?
100
What are the five states in the US that use Natural Gas?
What is Texas, Louisiana, California, Florida, and New York?
100
As you increase voltage, what happens to the brightness?
What is it gets brighter?
200
Which one of these is a conductor?
(a) dry air (b) lead (c) silicon (d) glass
What is b:lead?
200
As you increase the voltage in a circuit, what happens to the current?
What is it becomes stronger?
200
In a power plant, what does the boiler do?
What is where fuel is burned?
200
What are the three types of ocean-wave energy?
What is:
-wave
-tidal
-ocean thermal energy
200
Without changing the voltage, if you double the resistance in a circuit, what happens to the current?
What is the current is slowed because there is the same amount of voltage that has to travel over a longer distance?
300
What are the three reason to why people don't purchase CFLs?
What is 1-Lack of education
2-Cost
3-Consumer Buying Habits
300
As you decrease resistance, what happens to the flow of energy?
What is there is easier movement because there is less distance to travel?
300
A turbine is made up of what two parts?
What is the rotor and stator?
300
How is wind produced?
What is uneven heating created by differences in the air temperature in the atomsphere?
300
How is biomass converted to energy?
What is either burning it, letting it ferment, bacterial decay, and conversion?
400
What's an insulator and what's a conductor?
What is Insulator:are materials which allow very little electrical charges and heat energy to flow.
Conductor:are materials which electrical charges and heat energy can be transmitted very easily.
400
Is Copper or Nickel a better conductor?
What is Copper?
400
What type of energy is a moving fan?
What is mechanical energy?
400
What two forms can Hydrogen be found in?
What is Liquid Hydrogen and Hydrogen Gas?
400
What is the equation to find the current?
What is Current=Voltage/Resistance?
500
What is LOCOM?
What is the Law of Conservation of Matter that says no matter can be created or destroyed?
500
To increase resistance, would you want a thick or thin wire?
What is thin?
500
In a geothermal plant, what type of current is used to pump warmed water out of the ground?
What is convection current?
500
What are four ways that Solar Panels collect energy from the sun?
What is:
-flat plate collectors
-concentrated solar
-photovoltayis
-passive solar
500
What is Ohm's Law?
What is "In a complete electrical current an increase in the voltage will cause an increase in the current of electricity and an increase in resistance will cause a decrease in the current?