Lesson Plan
Curated OER

Chemistry: The Case of the Sunken Ice Cube

For Teachers 9th - 12th
Students examine a density demonstration involving ice cubes and beakers of water and alcohol. After observing how one ice cube floats in water and sinks in alcohol, they determine which mixture of the two would suspend the ice cube in...
Lesson Plan
Curated OER

Water Cycle

For Teachers 3rd - 7th
Young scientists explore Earth elements by conducting an experiment. They define water vocabulary terms such as condensation and precipitation. In addition, they conduct a water experiment in which they build a terrarium, so they can...
Worksheet
Curated OER

Ice or Water?

For Students 9th - 12th
In this ice and water worksheet, students read about the energy needed to transform ice to liquid water. Students solve 3 problems where they calculate the energy needed to melt ice given different scenarios in space.
Lesson Plan
Curated OER

Making Molecular Models

For Teachers Pre-K - 6th
In these creative hands-on activities, young scholars construct several different molecular models that represent substances that play an essential role in our nutritional needs. Using gum drops and toothpicks, students design the...