Subject Area

Engineering

Age or Grade

Eighth Grade

Estimated Length

120 minutes

Prerequisite knowledge/skills

Understanding of basic geometry and shadow effects

Description of New Content

Sundials and Low-Technology Solutions

Goals

Students will construct and use sundials for measure time.  Students will contrast high-technology and low-technology solutions to engineering problem.

Materials Needed

  • Plastic Coffee stirrer
  • Paper Plates
  • Index Cards
  • Protractors
  • Rulers
  • Compasses

Procedure

Sundial Procedure

Evaluation

Review of student designs and accuracy of sundial

Extensions