Engineer an Ocean Bottom Sampler

Design a tool that can lift objects from a water depth of at least 1 foot.

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Inspiration Video

Suggested Materials

Recommended
  • meter rulers or yard sticks
  • rubber bands
  • plastic bottles
Testing Station
  • tube
  • water

Difficulty Level

1
2
3

This design challenge may require moderate motor skills, understanding of some abstract concepts, or uncommon materials to build.

This is the difficulty level for a typical 4th grade classroom. Modify as needed for other age groups.