Saturday, June 13, 2026 - 11:00am to 3:00pm

Rocks are wonderful! Whether you are interested in minerals, fossils, space rocks or Earth processes, there is a hands-on activity here for you.

Activities to include:

  • Mineral Gallery Scavenger Hunt: Find them all and win a prize!
  • Breaking Up: Investigate geodes with our geologist and then crack open your own (geode purchase required).
  • Walking Tour: Take a guided tour of the Cranbrook Institute of Science Boulder Trail.
  • Earth on the Move: Join an auditorium program about volcanoes and earthquakes.
  • Earthquake Proof: Build a home that can withstand an earthquake.
  • Identification Station: Test the tools geologists use for mineral identification.
  • Space Rock Challenge: Can you separate the meteorites from the imposters?
  • Minerals in our Homes: Match the unexpected ways that minerals are used in housing construction.
  • Fossil Process: Explore how fossils are made with a hands-on activity.