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...

For this science activity, students investigate the water cycle by testing the water evaporated from leaves (transpiration). They investigate concepts of evaporation and the movement of water through the different states of the water...

In this water cycle activity, students investigate the evaporation process by participating in an outdoor evaporation experiment held on the school grounds. Students will determine where evaporation takes place the fastest and how nature...

When we get hot, we sweat. The physiological role of sweat is to cool us down. When the water evaporates, it removes energy from our bodies. This sort of evaporative cooling can also be used to cool homes, using what are referred to as...

[Free Registration/Login may be required to access all resource tools.] Definition of evaporation, how it occurs, what affects its rate and evaporative cooling.

Build an air conditioner in this activity using a washcloth, coat hanger, aluminum pan, and three-speed fan. After constructing the air, students will measure the air, water, and wet cloth temperature as well as measuring the humidity....

Learn how substances change from a liquid to a gaseous state in the process of evaporation.

Explore with Julia how wind speed and temperature affect evaporation rate.

Students will study temperature changes caused by the evaporation of alkenes and alcohols and relate this data to the strength of intermolecular forces of attraction. They will also predict, and then measure, the temperature change for...

An explanation about the process of evaporation and the conditions needed to complete this process.

By the end of this section, you will be able to explain the relationship between vapor pressure of water and the capacity of air to hold water vapor, explain the relationship between relative humidity and partial pressure of water vapor...

A lab experiment where students try to increase the rate of evaporation by adding heat to the water. Students will experience the process the evaporation with this activity.

Students build a model of a water molecule and design an experiment to see if adding energy affects the rate of evaporation.

The engineers at Splash Engineering (the students) have been commissioned by Thirsty County to conduct a study of evaporation and transpiration in their region. During one week, students observe and measure (by weight) the ongoing...

In this activity, students will be able to explain and demonstrate the process of evaporation while discovering the variables that affect the rate of evaporation.

In this guided inquiry investigation, students examine conditions to see what affect these conditions have on evaporation rates.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will describe a liquid according to the kinetic-molecular theory. They will also learn how a liquid exhibits surface...

Using a household fan, cardboard box and paper towels, student teams design and build an evaporative cooler (swamp cooler). They learn about the process that cools water during the evaporation of water. They make calculations to...

A college textbook section that explores vapor pressure, relative humidity, and dew point. Section reviews how to calculate values like percent relative humidity. Section also includes problems and questions for the students to answer to...

Learn about the relationship between vapor pressure of water and capacity of air to hold water vapor, the relationship between relative humidity and partial pressure of water vapor in the air, and how to calculate vapor density,...

A concise explanation of the difference between evaporation and condensation.

This online textbook chapter discusses dynamic equilibrium between liquids and gases, boiling liquids, and particle attractions. Many pictures help to explain the concepts. Also find a detailed chapter review at the end to check for...

Activity 2 investigates Why is water different from other liquids? This activity will discover the properties of different liquids. Students will explore what makes honey gooey and thicker than water. And why some liquids evaporate...

[Free Registration/Login Required] Ever wondered what happens at the molecular/ionic level when salt is dissolved in water or salt-water is evaporated by heating/boiling? Peek into the molecular world with this flipchart to view these...