Circuits

=**CIRCUIT ASSIGNMENT ** =

===**Area of Interaction: Environments ** === ===**Significant Concepts: Basic circuits ** === ===**Unit Question: How have circuits impacted our environments? ** ===



INVESTIGATE:  Define the following: Voltage: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">electromotive force or potential difference expressed in volts.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Current: <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a flowing; flow, as of a river.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Resistance: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">the act <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">or power of resisting, opposing, or withstanding.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Circuit: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; line-height: 16px;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">the complete path <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">of an <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">electric current, including the generating <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">apparatus, <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">intervening <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">resistors, or capacitors.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Transistors: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a semiconductor <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">device <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">that amplifies, oscillates, <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">or <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">switches the <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">flow of current between <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">two terminals by varying <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">the current or voltage <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">between one of the terminals and a <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">third.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">LEDs: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; line-height: 16px;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a semiconductor diode that emits <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">light <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">when conducting current.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Capacitor: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a device for accumulating and holding a charge <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">of electricity, <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">consisting of two equally charged conducting surfaces <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">having <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">opposite <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">signs and <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">separated <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">by a <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">dielectric.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Resistor: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a device designed to introduce resistance <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">into an electric circuit.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Switch: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; line-height: 16px;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a device for <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">turning on <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">or <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">off or <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">directing <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">an <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">electric current or for making or breaking <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">circuit.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Digital Electronics: represent signals by discrete bands of analog levels, rather than by a continuous range.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Integrated Circuit: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; line-height: 16px;"><span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">a circuit of transistors, resistors, and capacitors constructed <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">on a single <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">semiconductor <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">wafer <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">or chip.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Binary Code: <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; line-height: 16px;">//<span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">computing //<span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;"> <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">the representation <span style="color: #333333; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">of each one of a <span style="background-color: transparent; color: #333333; cursor: default; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 13px; line-height: 1.25em; margin: 0px; padding: 0px; position: static;">set of numbers, letters, etc, as a unique sequence of bits, as in ASCII.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">How have circuits impacted our environment? They have allowed us to have many technologies, like computers, phones, and even electric lights, that make our lives easier and more entertaining.

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Go to the following site and run the circuit construction kit. The site is: <span style="background-attachment: initial; background-color: initial; background-position: 100% 50%; background-repeat: no-repeat; padding-right: 10px;">[|Circuit Link]

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Using this site, answer the following questions:

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">1. Using one battery, make the light bulb work. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: 9 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: 0.90

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 2. Light two light bulbs with one battery. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: 4.5 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: 0.45

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 3. Using a switch to light one light bulb. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: 9 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: 0.90

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 4. Use a capacitor with your circuit. (One battery, one bulb) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: Decreasing <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: Decreasing

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 5. Use an inductor in your circuit. (One battery, one bulb) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: Increasing <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: Increasing

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 6. Use an AC Voltage in your circuit. What happens to the current? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: Varies up and down <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: Varies up and down

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 7. Which items in the grab bag complete the circuit? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> (One battery, one bulb) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Dollar Bill: No <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Paper clip: Yes <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> c. Penny: Yes <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> d. Eraser: No <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> e. Pencil lead: Yes <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> f. Hand: No <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> g. Dog: No

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 8. Use a resistor in your circuit. (One battery, one bulb) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: 4.5 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: 0.45

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 9. Add two batteries to light one light bulb. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: 18 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: 1.80

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 10. Add three batteries to the circuit. Right click on one of the batteries <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> and change the voltage to 100%. What happens to your batteries? They catch on fire!!! <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: 117.99 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: 11.80

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 11. Make your own circuit <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> a. Volts: Varies between 90 and 110 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> b. Amps: Varies between 9 and 11 <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> c. Explain what happened with your circuit: They catch on fire, then go out, then catch on fire again while the lightbulb is super bright. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> d. Describe/draw your circuit below:

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20px;">CREATE <span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Now start your circuit project. Get the materials and instruction from Ms. Bradfield.

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20px;">EVALUATE

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Answer the Following Questions After You Complete Your Circuit: <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">1. Did you like making the circuit? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Yes, I did. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 2. What did you like the least about making the circuit? <span style="font-family: 'Arial Black',Gadget,sans-serif;"> There were some technical difficulties, so I started late. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 3. What did you like the best about making the circuit? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">I especially like soldering the circuit pieces together. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 4. Using complete sentences, explain how circuits can be applied in the real world. (List three) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Circuits are used to power lights. Circuits are also used to run programs on computers. Finally, circuits are used in CNC's, which make many other products.

<span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 5. Were you careful with the circuit, solder, and soldering iron? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">I was careful and did not hurt myself or others. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 6. Were you respectful and nice to other students? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Yes, I even helped others figure out what they were supposed to do. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 7. Did you take a picture of both your circuits and add them to this wiki page? <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Yes, I did.

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20px;">ATTITUDE <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">1. Did you have a good attitude answering the questions? Explain: <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Yes, I answered these questions quickly and without complaining. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 2. Did you have a good attitude making the circuits? Explain: <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">Yes, I had a lot of fun too. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;"> 3. Were you a whiny baby during the circuit unit? Explain: <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 17px;">No, I did not whine about anything, even though I might have been frustrated.