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Teach Engineering

Density Column Lab - Part 1

For Teachers 7th - 9th Standards
Mass and density — aren't they the same thing? This activity has groups use balance beams and water displacement to measure several objects. The pupils use the measurements to calculate the density of the objects. 
Lesson Plan
Curated OER

I Breath What? Activity-Pollution Detector Worksheet

For Teachers 7th - 9th
In this pollution worksheet, students collect particles using a pollution detector and then observe their results under the microscope.  They calculate the average number of particles collected in three different locations. They...