PBS
Pbs Learning Media: Earth's Water Movements
The paths that water can take through Earth's systems are many and complex. Examine the following diagram from NASA depicting the water cycle. Studying the water cycle is important because changes in the water cycle affect all parts of...
University Corporation for Atmospheric Research
Ucar: Clouds How Do Clouds Form?
A brief look at cloud formation. Find out what the main process behind cloud formation is and what clouds are composed of. Click links to learn how to create a cloud and also to find out about the different kinds of clouds.
CPALMS
Florida State University Cpalms: Florida Students: Water in Our World
Discover the processes of the water cycle and learn about its effect on weather and climate.
Oklahoma Mesonet
Oklahoma Climatological Survey: Heat Transfer
A discussion from the Oklahoma Climatological Survey of the thermal factors effecting the movement of air masses in the atmosphere. Numerous topics such as methods of heat transfer, latent heat, phase changes (including sublimation and...
Read Works
Read Works: We Need Water
[Free Registration/Login Required] Students read about the water cycle and the importance of water. A question sheet is available to help students build skills in cause and effect.
CK-12 Foundation
Ck 12: Life Science: Water Cycle
[Free Registration/Login may be required to access all resource tools.] Water and elements like carbon and nitrogen are constantly being recycled through the environment. This process is called a biogeochemical cycle because it involves...
BBC
Bb Ci Schools: Revisewise Science: Solids, Liquids, Gases
This site contains an interactive activity in which students can learn about the three states of matter. There is also a factsheet that lists numerous properties of liquids, solids, and gases. The factsheet also uses water as an example...
Read Works
Read Works: Weather the Water Cycle
[Free Registration/Login Required] An informational text about the water cycle. A question sheet is available to help students build skills in reading comprehension.
Other
Warmair.com: Refrigeration Cycle
The expansion-compression-condensation cycle of a refrigerator is discussed and explained. Understandable language but no graphics.
Other
Warm Air: Central Air Conditioning
The operation of conventional air conditioners are described. Their parts and the refrigerant/heat exchange cycle is discussed. The use of alternative geothermal systems are explained.
Sophia Learning
Sophia: Phase Changes: Lesson 3
This lesson will introduce a phase change diagram, and show how a substance changes from one phase to another. It is 3 of 3 in the series titled "Phase Changes."
Sophia Learning
Sophia: Phase Changes: Lesson 2
This lesson will introduce a phase change diagram, and show how a substance changes from one phase to another. It is 2 of 3 in the series titled "Phase Changes."
ClassFlow
Class Flow: Weather
[Free Registration/Login Required] This flipchart explores weather related vocabulary, including the water cycle, precipitation, condensation, evaporation, storms, and weather instruments.
Science Struck
Science Struck: Water Cycle Diagram
Describes the four main stages of the water cycle - evaporation, condensation, precipitation, and collection.
Science Struck
Science Struck: Water Cycle: An Easy Explanation for Kids
Provides a simple explanation of the water cycle by describing four main stages - evaporation, condensation, precipitation, and collection. Includes three project ideas and some interesting facts.
Missouri Botanical Garden
Missouri Botanical Garden: The Water Cycle
This simple overview provides definitions of key terms in the water cycle and a diagram showing the path water takes in this cycle.
ClassFlow
Class Flow: Water Cycle
[Free Registration/Login Required] Using this flipchart students study the phases of the water cycle and its importance to the earth. Assessment questions use Activotes.
Science Struck
Science Struck: A Simple Guide to the Steps of the Water Cycle
The steps in the water cycle and the processes that occur are explained in this resource.
Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Anaximenes
This site from the Internet Encyclopedia of Philosophy provides a brief biography of Anaximenes and summary of his thought.
Science Education Resource Center at Carleton College
Serc: Mn Step: Weather/water Cycle
In this activity, learners will learn about the water cycle through a story, a song, and a game, and relate it to the weather that they observe.
Other
New Jersey Section of the American Water Works Association: The Water Cycle
Simple diagram and explanations of the water cycle and related terms.
ClassFlow
Class Flow: Water Cycle
[Free Registration/Login Required] This is a science flipchart that reviews the stages of the water cycle and also ways in which the water cycle affects weather such as hurricanes and tornadoes.
US Environmental Protection Agency
Epa: The Water Cycle [Pdf]
An illustrated diagram of the water cycle that students can use for study.