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Blog

Circuits Breakout

1/12/2020

Comments

 
A breakout task is an activity that brings the escape room experience into the classroom. BreakoutEDU has been a major player in this space, designing kits and activities for this platform, and served as the primary inspiration for this activity. 
​I was fortunate to receive a grant that allowed me to assemble supplies for 9 breakout boxes. This allowed me to keep group sizes small enough (5 or less) that everyone could be involved at a hands-on level. I'm sure it would work with larger group sizes as well but it wouldn't quite have the same value for all students.
Build Your Own Breakout Kits
If you don't have breakout boxes (or don't want to go through the trouble of setting them up every time), never fear! I have published this activity as a scavenger hunt as well :)
Circuits Scavenger Hunt
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Task Overview
  • 30-45 minutes
  • Circuit Analysis & Equivalent Resistance
Circuits Breakout.zip
File Size: 5256 kb
File Type: zip
Download File


The Process

This task gets pretty involved to try to digest all at once (it is designed to take a group of students 40 minutes to complete after all!) so I have split the explanation into the 5 locks that must be cracked before the students can get the prize that is hidden in the main box. The clues are prepared in such a way that, while there are several paths that students can take, they don't have all the clues that they need for each lock right away. I have outlined the overall flow of the 5 different locks in the diagram below. As you can see, some of the necessary items needed to unlock the numlocks and keyed padlock are obtained only once the small box has been unlocked.
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Lock #1 - Word Lock

Groups have access to everything that they need to unlock the first lock in the one page flyer that they get on their table. This flyer contains a QR code that has been modified by taking out the middle row of information. Because of this, it isn't possible to get information from it until the proper squares have been filled in.
The combination circuit on the bottom of the page is the key for completing the missing QR code information. Once the voltage, current, and resistance have been solved for in the provided table, groups will notice that the numbers that they filled in correspond to numbers written in 12 of the missing cells on the QR code. Once they fill in the proper squares, they will be able to read the message using any QR code reader. The encoded message reveals the combination for the word lock.
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*Tip: The new iOS11 has a QR reader built in to the camera application. My students we're delighted to find out that Snapchat works as well ;)

Lock #2 - Small Box

The cards needed to solve for the small box's combination lock are found stored away in the organizers on the top of the large box. Each of these 6 cards has a letter A-F on one side and an equivalent resistance problem on the other side. I intentionally designed this clue to be in 6 different pieces so that students could each contribute on an individual level by taking a card or two. They are of varying levels of difficulty and I was delighted to watch my students differentiating the task by dividing up the cards based on their comfort level tackling problems like this!
Once they figure out all of the cards, they need to find the series resistor (shown below) taped on the back of the large box to understand that each of the cards must be added to result in the three-digit combination that opens the small box
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A
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D
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B
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E
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C
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F
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Lock #3 - 4 Digit Numlock

For the third lock, students have access to the color sequence shown below at the start of the task since it is taped to the outside of the small box, but they don't have the clues to help them fill in the blanks until they can unlock the box and get inside
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Once inside the small box, they have access to the four clue cards shown on the right. Each of these is a different style of circuit problem to solve. Instead of requesting the information in a word problem, the cards are purely symbolic with a colored box highlighting the information needed to completethe color sequence that the students noticed earlier.
One of my favorite parts about this clue is that the color sequence doesn't have a clear orientation. I had a bunch of groups double and triple checking eachother's work (score!) only to find that they had been trying the combination backwards!
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Lock #4 - 3 Digit Numlock

The combination for lock #4 comes from the equivalent resistance of the beautiful combination of resistors shown here. This problem is actually really fun to solve and the groups have access to it right away at the start of the task (it is taped to the bottom of the large box) but they are missing some necessary information.
Once they unlock the small box, they notice that there is a small ultraviolet flashlight that, when directed at the blank cells, reveals the missing information. This is a super exciting reveal and definitely my student's favorite moment of the challenge. :)
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 Lock #5 - Keyed Masterlock #1

The fifth lock is the easiest one. Once the groups get inside the small box and search through all of things they now have access to, they find the key for their missing lock inside of a little zippered pouch. In future breakout tasks, I plan to hide this somewhere else in the classroom (or even the building) but I wanted to keep it a little simpler for this first one.
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​ Lock #6 - Keyed Masterlock #2

​For the second key, students need to find the hidden clue with a giant parallel circuit and incomplete email address. 
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I roll this clue up and hide it in the hollow handle of the tool box. It is not easy to find so after they've struggled a little bit, I make an announcement to the class saying, "Don't worry, I would never give you a challenge that I didn't think you could handle"
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Before they can send an email to the address, they need to calculate the current represented by the star in the circuit diagram. If they are correct, they can email that address by replacing the star for the calculated current value. The email account is set to auto reply with their next riddle.
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​When groups call you over with the secret message, hand them their missing key from the collection in your pocket or some other secure location.

I knew going into this task that I wanted to make something that I could use over and over without a huge reset between class periods. Because of this, I chose to print out all of the clues on card stock and laminate everything with my handy thermal laminator. Of course, it would work just fine on regular paper as well. Just be prepared to have sets of clues to refill the boxes if you are doing this for multiple classes in a row. I wouldn't expect that you will be able to reuse any of the printouts from class to class because it's almost guaranteed that someone will write on them even if instructed not to. This was another great benefit of the lamination because students were able to write on the clues with a dry erase marker and wipe it clean at the end of class. 

Printing out the Clues

Here are the files in pdf and powerpoint formats organizes by clue groups. A couple things to keep in mind:
  • Clue 1 is double-sided so that each equivalent resistance problem gets a letter A-F
  • Clue 3 requires color printing to help map the solutions to a combination sequence
  • Clue 5 is double-sided so that the circuit diagram is opposite the email address

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Clue 1 - QR Code (pdf)
File Size: 47 kb
File Type: pdf
Download File

Clue 1 - QR Code (editable)
File Size: 57 kb
File Type: pptx
Download File


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Clue 2 - Resistance Cards (pdf)
File Size: 29 kb
File Type: pdf
Download File

Clue 2 - Resistance Cards (pdf)
File Size: 49 kb
File Type: pptx
Download File


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Clue 3 - Multivalent Compound Cards (pdf)
File Size: 26 kb
File Type: pdf
Download File

Clue 3 - Multivalent Compound Cards (editable)
File Size: 55 kb
File Type: pptx
Download File


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Clue 4 - Invisible Ink Resistance (pdf)
File Size: 24 kb
File Type: pdf
Download File

Clue 4 - Invisible Ink Resistance (editable)
File Size: 51 kb
File Type: pptx
Download File


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Clue 5 - Email Circuit (pdf)
File Size: 56 kb
File Type: pdf
Download File

Clue 5 - Email Circuit (pdf)
File Size: 69 kb
File Type: pptx
Download File


Once you have everything printed out, you will need to do one last thing to make sure that clues are ready to go. Clue 4 requires a little Invisible Ink that students will be able to reveal using the Ultraviolet flashlight. You will need to use an Invisible Ink UV marker to fill in the missing resistors by hand as shown in the picture below
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I encourage you to print out the clues and try it for yourself before checking the solution. The best way that you can help guide students through the process is if you have gone through it yourself and you have the student perspective of the task. I have included my solutions below to check if you get stuck. The first page of the solutions is a printable "all-in-one" that you can carry with you as you circulate the room during the task so you can quickly point out areas to recheck for the students.
Circuits Breakout - Solutions (pdf)
File Size: 111 kb
File Type: pdf
Download File

Circuits Breakout - Solutions (editable)
File Size: 95 kb
File Type: pptx
Download File

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Setting up the Breakout Box

All of the components required are part of the official BreakoutEDU kit that you can purchase for ~$150 from their website. If that pricetag is hard to swallow, I have written up some more information about building your own breakout kit sourcing from Amazon. In my blog post, I outline how I made 9 kits for under $70 per kit.
Build your own Breakout EDU Kit
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Inside the Big Box:
  • Its a good idea to fill the big box with something like candy for students to discover after they solve the puzzle. In this task, the prize is the only thing that you need to prepare for inside the big box before locking it up.
Outside the Big Box:
  • Place the A-F equivalent resistance cards in the organizers on top of the box. If your box doesn't have these handy hiding places. You can just provide these cards in an envelope or something
  • Tape the A-B-C-D-E-F series circuit card on the back of the big box
  • Tape the large equivalent resistance card (the one with the invisible ink) on the bottom of the box
  • Roll up Clue #5 (the mystery email) and place it inside the hollow handle of the toolbox
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Inside the Small Box:
  • Hide the key for the Masterlock in one of the pouches on the inside of the small box. If your small box doesn't have this feature, it's ok to have the key loose in the box as well
  • Include the Ultraviolet Flashlight with batteries. There is a nice little pouch made of netting in mine that the flashlight fit nicely inside of
  • Place the 4 color clue problems in a stack inside the box.
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Outside the Small Box:
  • Tape the color sequence card to the outside of the small box
On the Table:
  • I just left the QR Code clue on the table with the boxes. You could probably hide this somewhere else as well.
  • Dry Erase Markers - Since I laminated my cards, I just had students use the markers to write on these directly. If you have large whiteboards, this could be a good opportunity to pull those out as well
  • Something to read a QR code with. This isn't really something that you need to set out, just make sure that someone in the group has an iPad or phone that can scan a QR Code.
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Set your Locks:
  • Small Box - 105
  • Word Lock - NEAT
  • 4-Digit Numlock - 6382
  • 3-Digit Numlock - 112
Lock it Down:
Use the Lockout hasp to lock the big box with Work Lock, 4-Digit Numlock, 3-Digit Numlock, and keyed Masterlocks

Time to Escape!

What my students loves most about this activity was that I didn't give them any guidance or instructions. I'm pretty sure all that I said was:

"There is a prize for your group inside the big box on your table. You must work together to solve the clues and get inside"
Please leave a comment or contact me directly if you have any questions about this activity or setting up your own breakout box escape room activity. I'm excited to continue adding more in the future so I can get some more value out of these kits!

Resetting the Box

​After students have successfully solved all of the clues and had a moment to enjoy their prize, I stop by their table and give them the instructions on resetting the box. Depending on your students, you might want to structure this so that students get the clues erased and organized but you are the one who looks it over and locks it up. Personally, I just let the students take care of it all and as long as they have enough time, they have done a pretty good job getting it all ready for the next hour :)
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Reset Instructions (pdf)
File Size: 408 kb
File Type: pdf
Download File

Reset Instructions (editable)
File Size: 1028 kb
File Type: pptx
Download File

For all of the files in this breakout task, download this zipped folder or download individual files as linked above
Circuits Breakout.zip
File Size: 5256 kb
File Type: zip
Download File


Files

Download an outline of this task (essentially a printer friendly version of this blog post) 
Circuits Breakout - Outline (pdf)
File Size: 576 kb
File Type: pdf
Download File

Circuits Breakout - Outline (editable)
File Size: 730 kb
File Type: docx
Download File


Click for more breakout tasks

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    Joe Cossette

    Father, Physics Teacher, Knowles Fellow, Friend, Techie, and Musician

    "Learning to teach teaches me to learn"


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