Engage

Launch the Engage Section

ACTS is what the teacher will do and ASKS is how the teacher will facilitate.

ACTS	ASKS
Show a pre-built Code Base robot and pre-built extension. Use a student's build from the previous Lab or make one yourself and have it prepared for the demo. If you want make an example extension for the Code Base, you can build the example plow extension in the Image Slideshow. Physically try to attach the parts without using any VEX GO Kit pieces. Show a graphic that illustrates the Engineering Design Process in the Lab 2 Slideshow. Explain to the students that their first solution is not going to be correct, failure is part of the process, it is acceptable to fail.	How can we attach our extensions to our Code Base to collect trash? Is there only one way to attach the two parts? Do you think I could get it on my first try? What VEX GO pieces could we use? What do you do when you fail? Is failure ok? What coping strategies can we decide on today if we fail?

ACTS

ASKS

Show a pre-built Code Base robot and pre-built extension. Use a student's build from the previous Lab or make one yourself and have it prepared for the demo. If you want make an example extension for the Code Base, you can build the example plow extension in the Image Slideshow.
Physically try to attach the parts without using any VEX GO Kit pieces.
Show a graphic that illustrates the Engineering Design Process in the Lab 2 Slideshow. Explain to the students that their first solution is not going to be correct, failure is part of the process, it is acceptable to fail.

How can we attach our extensions to our Code Base to collect trash?
Is there only one way to attach the two parts? Do you think I could get it on my first try? What VEX GO pieces could we use?
What do you do when you fail? Is failure ok? What coping strategies can we decide on today if we fail?

Now, let’s attach our extension arm to the Code Base robot and see what works and what doesn’t. Failure is okay.

InstructInstruct students to gather their pre-built Code Base robot and extension, join their group, and have them complete the Robotics Roles & Routines sheet. Use the Suggested Role Responsibilities slide in the Lab Image Slideshow as a guide for students to complete this sheet.
DistributeDistribute the VEX GO Kits for groups to select VEX GO pieces to attach to the extension.
FacilitateFacilitate attaching the extension to the Code Base robot.
- Builders can begin attaching the extension arm to the Code Base. If there are multiple builders, they should work together to attach the extension arm.
- Journalists should gather the necessary VEX GO pieces to attach the extension and assist as needed.
  
  Example Code Base with Plow Extension
- Some students may already have attached their group's extensions in the previous Lab. They should use this time to continue improving on their extensions. Remind students to check to make sure the extension does not touch the ground or impede the movement of the Code Base.
OfferOffer suggestions and note positive team building and problem solving strategies as teams attach the extension arm together.

Teacher Troubleshooting

Connect all GO Brains to the VEX Classroom App before beginning the Lab and check if any firmware needs updated. For more information about the VEX Classroom App, please read the Using the VEX Classroom App VEX Library article.
Note: When you first connect your Code Base to your device, the Gyro built into the Brain may calibrate, causing the Code Base to move on its own for a moment. This is an expected behavior, do not touch the Code Base while it's calibrating.
Use the VEX Classroom App to check the status of the GO Batteries, and charge if necessary before the Lab.

If you have students that are stuck or struggling to design an extension, you can guide them to make the plow extension in the Image Slideshow (Google Doc/.pptx/.pdf), and then have them adjust it as they like.
Have students check the stability of the extension on the Code Base. They will need to make sure the extension stays stable as it moves with the Code Base robot. If students are struggling with stability, remind them about the various types of connection pieces in the kit (pins, standoffs, and connectors). See the Pieces in the VEX GO Kit VEX Library article for detailed information on Kit pieces and how they function in a build.
Also remind students to make sure their extension does not touch the ground or impede the movement of the Code Base.

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