Structures/Functions
What does structure mean?
a part of a system.
What is a system?
A bunch of parts working together for a function.
True or False: When something moves or changes, that is evidence that energy is present.
true
What is the problem Ergstown is having?
Their electrical system failed, leading to a blackout.
What is the input energy for a fan?
electrical energy
True or False: Leaves are a structure of a flower.
(True)
Give me an example of a system
(any good example)
What energy form is being exerted when you turn your radio on.
Sound Energy
Name a reason why the electrical system failed in Ergstown?
Too much energy being used.
Not enough energy to power ergstown.
What is the output energy form of riding a bike?
Motion energy
What is the function of the wires in an electrical system?
to transport energy to places.
True or False: If an important part of the system doesn't work, the system will still work.
False
What two form(s) of energy is given off from the sun?
thermal energy, light energy
If a system is powering four devices and only 3 are working, what conclusion can you draw from that?
the system does not have enough energy to power all devices.
What is the input energy form for chewing food?
motion energy
What is the function of a converter?
to convert energy to another form.
Which is NOT a system?
A. Cup
B. Paper
C. TV
B.Paper
Where does energy in a system come from?
a source
What solution would NOT work to help solve Ergtown's problem?
A. Convince people to use less energy.
B. Add More Energy Sources.
A
What is the output energy form for making hot cocoa?
Thermal Energy
Name a structure from the electrical system and tell us its function.
Source- gives off energy
Power Plant- converts energy source into electrical energy.
Wires- Transports electrical energy to other places.
Electrical Devices- Converts electrical energy into energy form
Name a system and its structures and function.
( any logical answer)
chemical energy
What is our evidence that Ergstown doesnt have enough energy to power the town?
50 percent more used energy
blackout
What is the difference between the input and output energy form?
input in the energy form that goes in, and output is the energy form that comes out.