Energy Conversions
Systems
Energy Solutions
100
What energy conversion is taking place
A girl hits a drum.
Motion energy to sound energy
100
Which example is a system?
A. A computer
B. A rock
C. A cup
A. A computer
100
Which solution is not a clean and renewable energy source?
A. Wind turbines
B. Solar Panels
C. Fossil Fuels
C. Fossil Fuels
200
What energy conversion is taking place?
A lamp is plugged into the wall.
Electrical energy to light and thermal energy
200
Which is not a system?
A. A bicycle
B. A ball
C. An electrical circuit
B. A ball
200
Mrs. Umpierre wants to add 3 more light bulbs to this circuit. What can she do to make sure all the light bulbs light?
Add more batteries to the circuit OR Connect each light bulb with its own path to the battery.
300
What makes batteries, gasoline, and an apple similar?
They all store chemical energy
300
A flashlight is a system because the battery, wires, lightbulb, switch, and case all work together to produce light.
True or False?
True
300
Which solution will not prevent blackouts?
A. Adding more energy sources
B. Using more energy converters
C. Using less energy converters
B. Using more energy converters
400
Give an example of evidence that thermal energy was present in an energy conversion.
Any example about heat.
400
If one part of a system fails, the other parts can still make the system work.
True or False?
False
400
Name one reason blackouts might occur.
Too many devices using the system.
Not enough energy from the system.
Part of the system breaks.
500
Give an example of evidence that light energy was present in an energy conversion.
Any example with light
500
What is the energy source of this system?
the battery
500
The fan uses 1 battery. What might happen to the fan's speed if you add 3 batteries?
The fan will spin faster.