American Chemical Society
Evaporation
This is one in several lessons that explore the relationship between temperature and phase changes of water. After some discussion, elementary physical scientists place wet paper toweling on a hot and a room-temperature water bag and...
US Environmental Protection Agency
Water Purification by Evaporation and Condensation
This easy-to-perform demonstration shows students how the water cycle, specifically the processes of condensation and evaporation, purifies Earth's water supply. Just mix up some water, dirt, and gravel in a glass bowl, place a cup in...
Curated OER
Heat and Thermodynamics
This is actually a 10-day mini unit on thermal energy for your high school chemists. Every avenue is taken to get learners absorbed in heat: a pretest, a PowerPoint presentation, Internet exploration, demonstrations, lab activities, and...
Oceanic Research Group
Heat Transfer and Cooling
Astronauts train underwater to simulate the change in gravity. An out-of-this-world unit includes three hands-on activities, one teacher demonstration, and a discussion related to some of the challenges astronauts face. Scholars apply...
Curated OER
Evaporation Introductory Lesson
Fourth graders examine the concepts of evaporation and the water cycle. They describe the relationship between heat energy, evaporation and condensation of water on Earth and identify the sun as the source of energy that evaporates...
American Chemical Society
Changing State: Evaporation
Why do experiments require a control? Guide scholars through designing an experiment to see what they can do to evaporate water faster with a instructional activity that stresses the importance of controlling all variables. The second...
NOAA
The Climate Team: Make a Solar Heat Engine
Learners investigate how solar energy is converted into heat in part two of the 10-part Discover Your Changing World series. They build and test homemade solar cookers to boil water and cook rice. Pupils consider the impact of heat...
CK-12 Foundation
Mineral Formation: Evaporating Lake
Get crazy for crystals! Junior geologists learn the secrets of crystal formation through lecture, reading, and examples. Other topics include common ionic compounds found in fresh and salt water, the effects of location on forming...
Curated OER
Barometer and Boiling Points
Diagrams bring barometers to light in this PowerPoint. Several slides explain the structure and function of this apparatus. The relationship of air pressure to the processes of evaporation and boiling are also explained. This would be an...
Curated OER
Evaporation
Fourth graders study the water cycle and the different processes involved, specifically evaporation. They explore the processes of evaporation through hands-on collaborative activities and relate learning to life through...
Curated OER
Evaporation and Temperature Change
Students investigate the relationship between evaporation and temperature changes. In this evaporation and changes in temperature lesson, students measure the changes in temperature of different solutions on a cotton ball.
Curated OER
The Water Cycle: The Water Process
Its time to introduce the water cycle! This presentation describes the water cycle in terms of condensation, evaporation, and precipitation. Five straightforward comprehension questions and easy to understand concept definitions make for...
Exploratorium
The Dipping Bird
If you have or want to order the dipping bird demonstration, it is useful for showing how evaporation and changes in the pressure of a closed system cause cyclical motion. After teaching about pressure, consider setting this little guy...
Curated OER
The Properties of Water: "Dead Or Alive"
Students study the water cycle and create a booklet entitled: "Discover the Wonder of Water" They observe and record data regarding evaporation, condensation, and precipitation and how water moves from a solid to a liquid to a gas. They...
Curated OER
Why Does a Puddle Shrink?
Fourth graders describe the relationship between heat energy, evaporation and condensation of water on Earth. They compare evaporation rates when the back of the hand and an equal area of a paper towel are moistened with the wet swab.
Curated OER
Student Reading - The Unique Properties of Water
Without water there would be no life on this planet. Biology learners find out why by reading this handout. Create a worksheet of questions to answer after the reading. Follow it up with quick demonstrations or laboratory activities that...
Texas State Energy Conservation Office
Investigation: Heat it Up!
This demonstration of solar ponds can be used in an earth, environmental, or physical science setting. Lab groups set up a solar pond and model how it is able, due to a salt concentration gradient, to maintain heat for future use.
Virginia Department of Education
Heat and Thermal Energy Transfer
How does radiation affect our daily lives? Answer that question and others with a lesson that discusses radiation and its use in thermal energy transfer through electromagnetic waves. Pupils investigate vaporization and evaporation while...
Curated OER
Investigating the Climate System: Energy, A Balancing Act
Earth science explorers design an experiment to demonstrate that the albedo of a surface affects its temperature. They test to find out if moisture on the surface affects temperature. They discover whether or not concrete or asphalt heat...
Science Geek
Thermochemical Calculations
Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show...
Center for Learning in Action
Water – Changing States (Part 2)
Here is part two of a two-part instructional activity in which scholars investigate the changing states of water—liquid, solid, and gas—and how energy from heat changes its molecules. With grand conversation, two demonstrations, and one...
Curated OER
Lose Some Weight- Evaporate!
Students determine that some liquids are able to evaporate more readily than others. They create a balance using cups and a ruler to determine which end of a strip dipped in alcohol or water evaporates the fastest, hence loses the most...
Curated OER
What Do Heating and Cooling Do?
In this changes of matter worksheet, students write in what happens when water is heated and when water gets very cold. This worksheet is a graphic organizer.
Curated OER
How Water Heats Up
Fourth graders conduct experiments heating water. In this inquiry-based early chemistry lesson, 4th graders use the materials given to experiment with the process of heating water. Students draw conclusions based upon their findings...