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This activity is designed to let learners measure their reaction time or response time to something they see.

This activity is a whole-group kinesthetic demonstration that shows learners what it means to be in a "risk group" for developing heart disease based on family history and genetics.

This activity was designed for blind learners, but all types of learners can utilize it to investigate volume, mass, and density.

This activity was designed for blind learners, but all types of learners can use it to learn to differentiate between qualitative and quantitative observations and to practice data collection.

In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.

In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.

In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.

In this activity, learners will build a honeycomb. Learners will investigate how the shape of the honeycomb develops. Activity includes step-by-step instructions and extension ideas.

In this online activity, learners will brush up on their multiplication, division, and factoring skills with this exciting game.

In this activity, learners build a scale model of the solar system using a roll of toilet paper.

This online interactive has three activities in the NanoLab (press the upper right button): Build, Zoom, and Transform.

In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

In this math activity, learners observe and sketch cracking patterns in pavement.

This activity aims to stimulate discussion on the question of whether computers can exhibit “intelligence,” or are ever likely to do so in the future.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

In this activity, learners model a population of deer and see how the number of deer changes over time.

In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.

In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.