Electronics

Goals

  • To experience through hands-on activities how to devise simple electrical circuits, especially those with LED lights
  • To become familiar with circuit drawings and commons symbols
  • To be proficient at completing simple math equations dealing with simple circuits
  • To design a simple circuit to perform a task
  • To solder components of the designed circuit

Intro

  • As a ‘group’ watch the following movie: How to draw a simple electric circuit
  • Next, – ALL students, in your own composition book – redraw the most common symbols you’ll be using in your circuits. See here
  • In all of your composition books, define the following terms:
      • Circuit
      • Conductor
      • Open and Closed circuit
      • Series circuit
      • Parallel circuit
      • Voltage
      • Amperage
      • Watts
      • Resistance

Snap Circuits – (Instruction manual for 1-101)

  • Each kit contains all the parts your group will need to complete the activities
  • At the beginning of the period pick up your assigned kit and at the end, have the teacher check your kit before putting away.
  • All group members are expected to use the kits with gentleness and care and keep all the parts organized
  • With your assigned Snap Circuit kit, build the circuits, read the directions, and….

Projects

  • Complete #1 on page 8. Show the teacher your finished circuit and be able to answer the following questions:
    • What’s the difference between an open and closed circuit. Explain/show the teacher
    • In each of your composition books, sketch the circuit, label it #1, and label it series or parallel
  • Complete #7 on page 11. Show the teacher your finished circuit and be able to answer the following questions:
    • What’s the purpose of the ‘resistor’ in this circuit?
    • What is the ‘ohm’ rating for this resistor?
    • In each of your composition books, sketch the circuit, label it #7, and label it series or parallel
  • Your choice. Complete an experiment of your choice
    • When completed, show and tell the teacher what you’ve learned
  • Complete #102 – Batteries in series. Show the teacher your finished circuit and be able to answer the following questions:
    • What is the voltage of one of the battery packs? What is the voltage of the other? When it’s in the circuit, what’s the voltage?
    • Show the finished experiment with 2 battery packs and then with 1 battery pack. Why doesn’t the LED light with only 1 battery pack?
    • From the following website: https://learn.sparkfun.com/tutorials/light-emitting-diodes-leds
      • Define Polarity and explain why this is important to know
      • What does LED stand for?
      • Why it’s important to limit the amount of current flowing across the LED and HOW do you limit this current?
      • What is ‘Forward Voltage” and what’s important to know about it?
  • Complete #152 Series Lamps : be able to answer the following questions:
    • What’s the main message of this experiment?
    • In each of your composition books, sketch the circuit, label it #7, and label it series or parallel
  • Complete # 153 Parallel Lamps: be able to answer the following questions:
    • What’s the main message of this experiment?
    • In each of your composition books, sketch the circuit, label it #7, and label it series or parallel
  • Your choice. Complete an experiment of your choice
    • When completed, show and tell the teacher what you’ve learned

Breadboard Activity
Task:  Watch and Do:
 How to Connect Multiple LEDs in Series – Electronics for Absolute Beginners

Materials needed: Ask the teacher for: breadboard, LED’s, resistor, and batteries


Engineering Brightness Project
Link


Misc Links

Circuits


Links


Computers


Electronics

 

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