Monday: Weekly Science Lessons

Video lesson intro plus a science learning packet.

Tuesday: Lunch With a Scientist

Join us on Tuesdays at 11 a.m. PST on Facebook Live

Wednesday: Office Hours

Contact us to make an appointment.

Thursday: Mini Challenge

DIY science projects you can do from home.

Friday: Fun Science Fridays

Activities to inspire young children through science.

Thursday: Mini Challenge

Latest Video

Weekly Science Challenge: Yeast rising

Weekly Science Challenge: Yeast rising

What makes this well-known fungus grow the most? We’ll show you how to experiment with it and then use your results to bake delicious bread!


Every Thursday at 9 a.m. PST, we’ll share a weekly challenge activity you can do from home. Use #HSIweeklychallenge to share your findings with us on social media.

After watching the videos, tag us and share your findings using #HSIweeklychallenge on Facebook or Instagram.

Past Videos

Weekly Science Challenge: The Disappearing Log

Weekly Science Challenge: The Disappearing Log

Investigate what critter or natural process got to the fallen log in this science mystery challenge. Use a suspect guide and your detective skills to help solve the case of the disappearing log.

Science Challenge: Finding Aquatic Insects

Aquatic macroinvertebrates help us understand the health of our waterways. In this lesson, Mary ellen shows you how to locate them within a stream or river and identify what’s there.

Science Challenge: Water Speed Test

Learn how to test the speed of flowing water using materials from around the house. This experiment is often the foundation of many other water quality and species population experiments in waterways.

Science Challenge: Birds Nest

We challenge you to use materials from your yard to create a sturdy bird’s next that a real bird might use one day!