Curated OER
Simple Machines IV - Levers
The principles of levers and simple machines are presented here. An easy-to-make lever is constructed by each group of scientists, and they use it to explore how this simple machine makes heavy things so much easier to lift and move. A...
Curated OER
Cell Study
Learners (females) are introduced to the cell. They discuss what a cell is, and students define what a cell is. Learners comprehend that all living things are made up of cells. They comprehend that life is defined as something that...