Recently, our STEM club did a four session electricity unit. We challenged the kids to design and build a battery powered toy that either moved or had lights and sound. Without exception, each team chose to build a toy that used a motor for movement. 
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Electricity is such a fun unit for grades 3, 4, and 5. The idea for this STEM challenge came to us during our working vacation in the sweet little town of Stratford, Ontario, Canada. We spent some of our brainstorming sessions in a coffee shop 
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Corrugated cardboard is an inexpensive, plentiful material with great structural properties that make it perfect for many classroom construction projects. This post outlines a few techniques we have discovered while working.  Cutting Cardboard Method 1: Using scissors for thin cardboard works best. It is safe 
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In 2016, the Kool Kat writing team attended the wonderful 5th annual STEM Forum & Expo in Colorado hosted by the National Science Teachers Association. We use the STEM Forum to learn from other educators and gather fresh ideas for our writing.  We pored over 
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While planning the puppet unit, the Kool Katz dreamers determined that teams would need a mechanism to hold the puppet upright while under construction. For this purpose, Dave developed a versatile piece of equipment we named the Gizmo Rig. The rig has been modified several 
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If you have ever tried to find a replacement bolt, screw, or nail for a household project you know that these items come in a dizzying array of types and sizes. If you use fasteners in the classroom, your students are even more confused! Most 
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Kool Kat Science
  • Toledo, OH
  • Katz@koolkatscience.net