• Plant Hormone Test

  STEM & Exploration

  Hormones control how plants grow roots, stems, and leaves. How to Guide: Try growing plant cuttings with and without ...

• Chemical Bonding Models

  STEM & Exploration

  Atoms join together by sharing or transferring electrons to make molecules. How to Guide: Use colored marshmallows an...

• Mini Renewable Turbine

  STEM & Exploration

  Wind and water can generate electricity.  How to Guide: Build a simple turbine with cardboard blades, a skewer, and s...

• Plant Cell Microscope

  STEM & Exploration

  Plant cells have walls and chloroplasts. Animal cells are different. How to Guide: Peel onion skin or scrape cheek ce...

• Simple Robot Arm

  STEM & Exploration

  Mechanical arms use levers and joints to perform tasks.  How to Guide: Build a grabber arm using straws, string, card...

• Thermal Energy Transfer

  STEM & Exploration

  Heat moves from hot to cold through conduction, convection, and radiation.  How to Guide: Test which materials (metal...

• Bioluminescence Simulation

  STEM & Exploration

  Some living things produce their own light through chemical reactions.  How to Guide: Watch videos of fireflies, jell...

• Homemade Wind Tunnel

  STEM & Exploration

  Airflow and shape affect how objects move through air.  How to Guide: Use a fan and cardboard box to create a wind tu...

• Geological Layer Cake

  STEM & Exploration

  Sedimentary rocks form in layers over time. Older layers are usually at the bottom.  How to Guide: Make “rock layers”...

• Static vs Current Electricity

  STEM & Exploration

  Static electricity is charge buildup. Current electricity is flowing charge.  How to Guide: Rub balloon on hair for s...

• Reaction Rate Explorer

  STEM & Exploration

  Temperature affects how fast chemical reactions happen. How to Guide: Mix baking soda + vinegar reaction in cold, roo...

• Erosion Prevention Engineer

  STEM & Exploration

  Water and wind wear away soil. Plants and barriers slow erosion. How to Guide: In a tray, create a hill with soil. Te...