Curated OER
Density - An Introduction
Learners experiment with objects of different densities. In this density lesson, students examine same-sized objects with different weights, then look at a teacher explanation of density. Learners make wave bottles and a density jar to...
Curated OER
Sunlight and Warm Air
Students discuss radiant energy from the sun, performing a simple experiment with sun glasses and bright light to demonstrate the concept. Students further participate in simple in-class experiments to demonstrate: air density as it...