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In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.

In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.

In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.

In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.

In this activity, learners are challenged to calculate their own weight on various planets using a scale and calculator. Older learners may be challenged to do so without using calculators.

Water on Earth is in lakes, the ocean, rivers, underground, and frozen glaciers.

In this outdoor archaeology activity, learners use mathematical skills and scientific inquiry to generate and process information from their own excavation site.

In this activity, learners explore how wind energy can be generated on both a large and small scale.