University Corporation for Atmospheric Research
Ucar: Just a Phase: Water as a Solid, Liquid, and Gas
This site helps students construct a model of the arrangement of water molecules when present as solid, liquid or gas. Includes background information, lesson plans, links to standards and assessment ideas.
Success Link
Success Link: Dry Ice Lab/demonstration How Cool It Is!
A lesson plan using dry ice to show the four states of matter. Included are inquiry-based questions to use as part of the demonstration.
American Chemical Society
Inquiry in Action: From Liquid to Gas to Solid
What causes frost to form on the outside of a cold container? In this activity, students will see that the liquid water can change state again and freeze to become ice.
PBS
Pbs Learning Media: Water Phases
Water can exist in three different phases. This still collage produced for Teachers' Domain features examples of water in liquid, solid, and gas states.
Science Education Resource Center at Carleton College
Serc: Freezing and Phase Change: How Do You Make Ice Cream?
Students will be expanding a study of phase changes after experiences with exploration of the three phases of matter. They apply what they have learned through freezing water and create a tasty ice cream treat.
Other
Howto smile.org: From Gas to Liquid to Solid
Allow your students to explore states of matter as they learn what causes frost to form on the outside of a cold container. Students will observe how liquid water can change to ice or water vapor in this lab. Lesson includes background...
CPALMS
Florida State University Cpalms: Florida Students: Your Ice Cream Is Moving
Learn how states of matter are dependent on an object's average kinetic energy.
BioEd Online
Bio Ed Online: Making a Water Cycle
In this instructional activity students are required to observe a simple model of the water cycle constructed of sand and ice in a plastic shoe box.
Khan Academy
Khan Academy: Biology: Specific Heat, Heat of Vaporization, and Density of Water
Why does ice float? In this article answer that question by learning about the topics of Specific heat capacity, evaporative cooling, and heat of vaporization of water.
Center for Literacy and Disability Studies, University of North Carolina at Chapel Hill
Tar Heel Reader: Forms of Water
Find out how water can exist in the three different pahses of matter.
E-learning for Kids
E Learning for Kids: Science: North Sea: Denmark: What Happens When Materials Are Heated or Cooled?
Did you know that water has different states? Learn all about it with Boris in Copenhagen.