Curated OER
Separating Mixtures Worksheet #2
In this separating mixtures worksheet, students answer 6 questions about they ways to separate mixtures including using chromatography, using skimming, and pouring off a liquid. Students are given different fractions and their properties...
Curated OER
The Weight of Water
Students examine how salt water is more dense than fresh water through experimentation with eggs.
Curated OER
Aluminum Boats
Students study buoyancy with an in-class experiment. In this water properties lesson plan, students create a boat from aluminum foil and float it in a bucket of water. Students utilize coins to change the weight of the boat and record...
Curated OER
Designing a Flotation Strategy for the Purification of Recycling
Twelfth graders work in teams to design a method of recycled plastics purification by flotation. They base their design on the concept that different kinds of plastics have different densities and keep overall costs and purification time...