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This activity (on pages 16-23) lets learners measure each other's vital signs—the signs that help doctors understand what's going on in a patient body.

In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

This activity was designed for blind learners, but all types of learners can use it to investigate how different materials vary in their conduction of heat.

Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.

In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.

In this activity, learners explore the devices used over time to measure changes in temperature.

In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

In this activity, learners discover that our hands are not reliable thermometers.

In this fun hands-on activity, learners use simple materials to investigate evaporation. How can the evaporation of water on a hot day be used to cool an object? Find out the experimental way!

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

In this outdoor activity/game, learners use thermometers to simulate how lizards survive in habitats with extreme temperatures.

In this activity, learners examine the parts of a thermometer. After placing a thermometer in hot and cold water, learners look at molecular model animations of the liquid in a thermometer.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?