Curated OER
Marvelous Mixtures
Fifth graders design an experiment in which they separate mixtures. For this mixtures lesson, 5th graders define mixtures, solutions, solutes, and solvents. They watch a video, complete worksheets, and perform an experiment to separate...
Curated OER
Making Soap
In this soap worksheet, students produce soap in the laboratory and test their product by washing away engine oil with their soap. Students answer four questions about tests they perform on their soap.
Curated OER
Color Dots 2
Students develop simple observations. They observe bleeding of colored inks with water, to understand mixtures, and to make generalized inferences from their observations.
Curated OER
Colored Dots 1
Students observe that colored markers are a mixture of many different colors by performing a chromatography experiment. They make observations, record information, and make generalized inferences from their observations.
Curated OER
Colored Drops
Learners examine the properties of a liquid that contains water and food coloring and a liquid that contains water, food coloring and a liquid detergent. They interpret their data, describe properties, and make reasonable explanations...
Curated OER
Color Dots 3
Students make simple observations, test mixtures, and make generalized inferences from their observations. They observe bleeding of colored inks with water.
Curated OER
Teaching about Conductivity
Students explore conductivity and productivity in aquatic systems.