Activity
US Department of Agriculture

Sink or Float?

For Teachers 2nd - 3rd Standards
Will it sink or will it float? Learners predict the outcome as they drop random objects into a container of water. Then, they keep track of the results and record the data in a t-chart to draw a final conclusion.
Unit Plan
University of Southern Indiana

Manifest Density

For Teachers 5th - 8th Standards
There's a lot content packed into the four lessons of this physical science unit on density. From salad dressing to the water cycle and hot air balloons, these lessons engage students in hands-on activities that explore real-world...

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