CK-12 Foundation
Ck 12: Physical Science: Freezing
[Free Registration/Login may be required to access all resource tools.] Explains what happens to matter when it freezes and the definition of freezing point.
Other
Antarctic Geological Drilling: Environmental Literacy Framework Activities
An impressive collection of lessons on climate science and climate change. The entire book can be downloaded. As well, each lesson has its own page with some combination of background information, PowerPoints, images, maps, glossaries,...
abcteach
Abcteach: Experiments
[Free Registration/Login Required] Elementary students learning to do experiments will be able to use these ready-made worksheets for gathering data on evaporation, melting ice and others.
PBS
Pbs Kids: Dragonfly Tv Try This!
A collection of simple experiments your students will enjoy! Each activity only requires a few household items, and will certainly spark the creativity in young scientists!
SRI International
Performance Assessment Links in Science: Ice Melting
A lesson plan for guiding students through a simple research experiment focused on transfer of energy is described for teacher administration and student explanation. Also includes a detailed rubric for evaluating student work.
Other
Howto smile.org: From Gas to Liquid to Solid
Allow your learners 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...
TeachEngineering
Teach Engineering: Engineering for the Earth
Young students are introduced to the complex systems of the Earth through numerous lessons on its natural resources, processes, weather, climate and landforms. Key earth science topics include rocks, soils and minerals, water and natural...