Curated OER
What Is Special About Polyethylene Food Storage Bags?
Young scholars participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Curated OER
Can You Bag It?
Put your class's observational skills to the test with a science experiment about paper and plastic bags. After reading some background knowledge about the materials in plastic grocery bags, third graders interpret a chart to answer a...
Curated OER
Oils and Plastic
Peruse the properties of polymers with your materials engineers, chemistry aces, or emerging ecologists. The inquiries in this resource include puncturing polyethylene plastic bags, dissolving polystyrene cups, creating a polymer ball...
Curated OER
The Influence of Carbon Dioxide on the Chemistry of Soda
Young scholars investigate the carbon dioxide content of different sodas. In this chemistry lesson, students explain why PET containers are preferable than HDPE for soda bottles. They collect data and graph them.
Curated OER
Cling On's
Learners define the term static electricity and how to it. In this electricity lesson students design and implement an experiment to show how static electricity affects their daily lives.