American Chemical Society
The Energy of Evaporation
Do all liquids evaporate at the same rate? Young scientists observe the evaporation rate of three different liquids. They measure the time, the temperature, and the change in energy. After comparing the chemical formulas, scholars...
Science Buddies
Science Buddies: Keep Your Candy Cool With the Power of Evaporation!
Did you know that your body has a built-in cooler? And it might not be what you think. Sweat is produced when you are hot, but its purpose is actually to cool your body as the water in it evaporates from your skin. In this science fair...
TeachEngineering
Teach Engineering: States of Matter
Students act as chemical engineers and use LEGO MINDSTORMS NXT robotics to record temperatures and learn about the three states of matter. Properties of matter can be measured in various ways, including volume, mass, density and...
Read Works
Read Works: The Life Cycle of a Snowman
[Free Registration/Login Required] An informational text about water as a liquid, a solid, and a gas. A question sheet is available to help students build skills in reading comprehension.