Show:
Circuits
Energy Transformations
Conductivity
What is it?
100

Complete: The four parts of a circuit are: wire, energy source, switch and:

load/battery

100

What energy transformation occurs in a battery when it is in a closed circuit?

Chemical energy produces electricity (electromagnetic)

100
Give 2 examples of metals
[any 2 metals]
100
Name an energy transformer that produces electricity that is not a battery.
generator, solar cell
200
The pathway through which electricity passes is a:
circuit
200

List three different type of electromagnetic energy (hint: think electromagnetic spectrum)

Radio, Micro, X-ray, Gamma, Infrared, Visible light, UV

200
What type of material is a good conductor?
metal
200
Electricity is made of what particles?
electrons
300

A circuit in which each light bulb has its own cable

parallel circuit

300
!!! DAILY DOUBLE !!! When you wound a spool toy, what energy transformation occurred?
Mechanical energy --> Elastic energy
300

Which is a better conductor... aluminum or  copper?

copper

300
What charge do electrons have?
negative (-)
400
Why does electricity not go through an open circuit?
The gap in the circuit prevents electrons from flowing.
400
Name two devices that do this: Electricity --> Mechanical energy
fan, clock, computer, etc.
400
What is in all devices that do this? Electricity --> Mechanical energy
electric motor
400
Students in Mr. Umfress' class worked as engineering groups to build a prototype. After modifying them, the prototypes produced this energy transformation: Elastic energy --> Mechanical energy What were the prototypes?
toy cars
500

Name all 4 parts of a circuit.

load/battery, wire (conductor), energy source, switch

500
The eminent inventor Dr. Natalia Longoria built an experimental model that used two pieces of metal twisted together. One end of the model was placed into heat. The device produced electricity. p. 430 What energy transformation occurred?
thermal energy --> electricity
500

What is the most conductive metal of all?!

Silver

500
What are the 3 particles in an atom?
electrons, protons, and neutrons