Kindergartners measure each other's height using large building blocks, then visit a 2nd and a 4th grade class to measure those students. They can also measure adults in the school community. Results are displayed in age-appropriate bar...

Download these free worksheets to sharpen your skills in converting units. Sheets focus on converting between a wide variety of measurement units including mass, length, volume, temperature, time, and many more.

A four-step tutorial shows students how to use a pipet in general chemistry lab to make "precise and accurate" volume measurements. View the full-length lesson via streaming video [9:46] or in segments.