Colorado State University
How Can You Demonstrate the Different Efficiencies of Different Light Bulbs?
Need a bright idea for an engaging lab? Watch your class light up as they explore the difference in efficiency between incandescent and LED bulbs! The resource makes use of simple materials and encourages learners to infer what's...
Curated OER
Activity #1 Reactions: Chemical or Physical?
Young scholars distinguish between physical changes and chemical changes. They comprehend that chemical reactions produce new substances with compositions and properites which are different than those of the starting materials. Pupils...