Share 5.2.2 Energy Transformations Quiz Review
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1. What is needed to do or cause a change?
F- Energy
2. A change in energy from one form to another.
E- Energy transformation
3. A flow of electrical charge through a conductor.
C- Electrical energy
4. Energy that is stored in matter and that can be released by a chemical reaction
D- Chemical energy
5. Energy that can travel and be seen by the human eye
B- Light energy
6. A three-dimensional representation of a person or thing or a proposed structure, typically on a smaller scale than the original
A- Model
7. The energy an object has due to its motion
G- Mechanical energy
8. What energy transfer is happening for the solar panel to get energy?
Solar energy to electrical energy
9. What energy transfer is happening at B, in order for the phone to get charged?
Electrical Energy to Chemical Energy
10. Once the cellphone is on, name 3 energy transfers that happen within the phone.
Electrical to Sound, Electrical to Light, Electrical to Mechanical (vibration), Electrical to Thermal
11. Look at the following circuit and answer the questions. How many bulbs will light up in this circuit? _______________ Does this circuit work? _____________. If not, why does it not work? ___________________________________________
None will light up. This circuit does not work. The wires are not hooked up to both battery terminals.
12. What type of material should the wires be made of in order for electricity to flow through it?
Electrical Conductors (metals)
Bonus 1: True or false: All circuits need a power supply.
True
13. In this circuit, will the bulb turn on?
no, the yarn is an insulator
14. In this circuit, is the switch open or closed?
Closed
15. What material is causing this circuit to not work?
Yarn is not a conductor
