Introduction to Dissolved Oxygen and Demonstration of a Simple Test Procedure
Students explain the importance of dissolved oxygen in water ecosystems. They describe the aquatic oxygen cycle and the effect of water pollution on oxygen. They make observations, collect data and draw a conclusion.
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Can Liquids Dissolve in Water?
How does food coloring work? Classes watch a demonstration showing liquids dissolving in liquids. In groups, they then explore the ability of other liquids to dissolve in water (alcohol, mineral oil, and corn syrup) by setting up and...
6th - 8th Science CCSS: Designed
Simple Machines Design Project
Make your work as a teacher a little easier with a physical science project on simple machines. After introducing young scientists to these devices and identifying their different uses around the school, this project engages children in...
3rd - 6th Science CCSS: Adaptable
Simple Machines Make Things Go
Trying to plan a physical science unit on forces and motion? Make your work a little easier with this comprehensive collection of simple machines resources. Offering a wide variety worksheets, activities, and projects, these materials...
2nd - 5th Science CCSS: Adaptable