Curated OER
Making Waves, Making Music, Making Noise
Sixth graders watch a demonstration on how talking cans produce sounds. In groups, they compare and contrast the sounds from different sized cans. They participate in a variety of activities to discover how sounds are made and how...
Curated OER
What is Money? Learn the Role of Money in a Free Market System
Middle schoolers view a seashell and listen as the teacher explains that these were sometimes used as money. They listen as the teacher lectures on medium of exchange, barter, and commodity. Students determine the number of chickens it...