Robotic Arm

Your Mission: Design and build a robotic arm to perform some simple tasks.

To help out in space, scientists have designed and used robotic arms for years. On Earth, scientists have designed robotic arms for everything from moving heavy equipment to performing delicate surgery. Robotic arms are important machines that help people work on Earth as well as in space.

In this activity, teams will design and build a robotic arm to perform some simple tasks.

Skills

Engineering, Design and Teamwork

Learning Objectives:

discover relationships between the length of a robotic arm and the level of difficulty to grab objects
investigate importance of hinges in arm function
collaborate in designing an arm
test various materials for grippers end effectors
compare and modify designs based on how well they meet performance criteria and constraints

Equipment

Robotic Arm:
- 96 popsicle sticks
- 24 erasers or sponge pieces
- 12 sets of chopsticks
- 12 pairs of tweezers
- 12 storage bins
- 12 ping-pong balls
- scissors
- cotter pins
- hole punch or awl (leather punch)
End effector:
- styrofoam or paper cups (2 per end effector)
- 12-cm pieces of string (3 per end effector)
- cellophane tape
- plastic picnic knives (serrated)
- straw or lollipop (1 per end effector)

Time

1 hour

Resource available in:

English, French, Spanish

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Activity