Green
What does absorb mean?
take in
What does it mean when we say that energy is transferred from the battery to the light bulb?
it's sharing its energy to make the light bulb work
What is a conductor?
an object that lets electric current flow
How does solar power work?
sunlight converts to electricity
energy
In a system with a D-cell, wires, and a lightbulb, what is the energy source?
the D-cell
What is the purpose of the switch in a system?
to be able to turn the energy transfer on and off
What is an object that does not let electric current flow?
in insulator
Which Power works with water flow, Geothermal or Hydroelectric?
Hydroelectric
Whenever there is light, sound, motion, or heat, there is _________.
energy
In a system with a D-cell, wires, and a lightbulb, what is the evidence of energy being transferred?
light
Will a closed switch work if all the other parts are attached correctly?
Give an example of a conductor.
metal, steel, copper, etc
Which Power works with the earth's heat, Geothermal or Hydroelectric?
Geothermal
In a flashlight that uses 2 batteries, which 2 sides of the battery should be touching?
the negative from one and the positive from the other
In a system with a D-cell, wires, and a motor, and a switch, what is the evidence of energy being transferred?
motion and sound
Will an open switch work if all the other parts are attached correctly?
no
Give an example of an insulator.
wood, plastic, rubber, etc.
What kind of power uses blades that spin and generate electricity?
Wind Power
When you invent something new, you can buy a _______ to protect your invention from getting stolen.
patent
In a system with a solar cell, wires, and a motor, what is the energy source?
solar cell and the sun
In a system with a solar cell, wires, and a motor, what is the evidence of energy being transferred?
What part of a pencil will make a motor work with an open circuit? What part of a pencil will not make a motor work with an open circuit?
the metal part near the eraser will make it work
the wood and eraser parts will not make it work
What kind of power do you think is best? Explain your reasons.
check your notebook for notes on each power - no decision is wrong - it is your opinion
Give an example of an invention and list its components. Then give an example of an invention that someone could invent that would not violate the patent that you have for your invention.
answers will vary but an example could be Barbie -- Barbie is made of rubber and patented. Someone can come along and make a "Barbra doll" that looks like Barbie and has the same features but is made out of plastic.