Embedded Files
This activity was taken from: https://www.sciencebuddies.org/stem-activities/design-back-scratcher#summary
Watch the video to think like an engineer and make a plan for your back scratcher
Watch the video to think like an engineer and make a plan for your back scratcher
Materials
Materials
Pencil and paper
Straws
Popsicle sticks
Cardboard
Duct tape
Glue
Scissors
Volunteers to try your back scratcher
OR anything else you can think of...plastic fork, paper clips, etc.
Design
Design
Plan how you will attach your materials and being your building!
Remember a back scratcher needs to be able to reach the middle of your back to scratch it for you!
Use the examples in the picture for inspiration.
Test It Out
Test It Out
Try out your back scratcher.
Did it work?
Were there any problems?
Did you have to change materials or the design of your back scratcher?
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