Materials List: Engineering a Habitat’s Humidity

Each group needs:

  • 2 large plastic bins with lids, 5.5 L (6 qt.), available online
  • 2 small rectangular plastic bins with lids, 500 ml (17 oz.), available online
  • soil, 7.5 L (8 qt.) available online   
  • mulch, 7.5 L (8 qt.) available online
  • sand, 7.5 L (8 qt.), can be collected or purchased
  • container for sand
  • plastic cup or trowel
  • water
  • hygrometer, available online
  • spray bottle
  • graduated cylinder
  • chart paper/markers for presentation to class

To share with the entire class:

  • electronic digital scale
  • small bin used for measuring quantities on the scale
  • gloves
  • computers or laptops
  • information on hingeback tortoises (see the References section)
  • knife or hot-glue gun (for the teacher to make holes in plastic)
  • KWL Chart
  • The Problem with Moisture - Humidity for Kids science book, available online            

Each student needs:

https://www.teachengineering.org/activities/view/uof-2355-engineering-habitat-humidity-design-process