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In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.

In this activity about color, learners get to explore the process of chromatography. Right before their eyes, they can watch ordinary green and black ink turn into a literal rainbow of colors.

In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.

“Exploring Earth: Investigating Clouds” is a hands-on activity in which visitors create a cloud in a bottle and explore it with laser light.

Many people get water from a source deep underground, called groundwater.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.