THE ELECTRIC MAN Simple CiRCUITS

Activity 1

Activity 2

Making Simple Circuits

Predict if the images below will light up

Observe by constructing the diagrams below.

Explanation

A simple circuit is always a closed circuit and consists of:

  • powersupply
  • conducting path
  • load
Draw the simple circuit diagram above

Activity 3

Series and Parallel circuits

Predict which circuits will light up

Observe by constructing the diagrams below

Draw circuit diagrams for the images above

Explain the science behind how diagrams "c-f" function with relation to diagrams "a-d":

Activity 4

Research
  1. What are the two types of circuits?
  2. In terms of the flow of electrons, what is the difference between a closed and open circuit?
  3. What is the difference between series and parallel circuits?
  4. What are two advantages of parallel circuits over series circuits?
  5. If you have three lighbulbs connected in series what would happen if one light breaks?
  6. If you have three lighbulbs connected in parallel what would happen if one light breaks?
  7. Define the term voltage
  8. Define the term current
  9. The electricity grid is the name given to the poles and wires that distribute electricity from power stations to houses, shops and factories. Suggest two important reasons why the distribution system uses parallel circuits?

Activity 5

Finding Relationships
  1. Watch activity 1 and explain how the "electric man" forms a closed circuit. What are the conducting paths, power supply and load being used?
  2. How much current kills a normal person and how much current is flowing through the "electric man"
  3. What resistance do humans have and what resistance level does the "electric man" have?
  4. What is "electrical resistance"

aCTIVITY 6 - {pbl}

Project Description
Part A

You must come up with a series of 5 questions, some correct some incorrect.

Make sure that these questions are school-appropriate. For each criterion, you should write a question that has two possible answers. They do not have to be yes or no questions, but it does need to have two clearly defined choices.

Your turn! When done get this checked by your teacher
Part B

Make a list of the question combinations that will turn the light on in your circuit.

You can choose to have

  • 1(beginner)
  • 2(medium)
  • 3 (hard)
  • 4 (complex)
  • 5 (expert)

Combinations that will allow the light bulb to turn on.

Your turn! When done get this checked by your teacher
Part C

Create a circuit diagram that represents your combinations. You may use the following symbols:

Your turn! When complete get this checked by your teacher
Part D

Things to think about, what will you use for:

  • wires (bare wires, insulated wires)
  • a power source (Cell, Battery, Chemical Reaction)
  • a load? (LED, light bulb, x-mas lights)
Remember to persist!
Part E

Presentation is important! Here are some ideas!

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