NOAA
Please Pass the Salt
Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to...
Center for Learning in Action
Gases
Explore the properties of gases through one activity and two investigations in which super scientists observe the changes gas makes when encountering different conditions.
NOAA
Make an Edible Coral Reef
Coral reefs are full of an abundance of life and color. Why not celebrate it with an edible coral reef? Learners and teachers alike use cake, icing, and candies to create a tasty version of a coral reef that's complete with colors,...
Curated OER
Fun in the Sun
Students freeze colored water. In this art lesson, students take the blocks of ice out of the freezer, put the blocks into a small pool and watch the ice melt.
MENSA Education & Research Foundation
Inside Out Fun!
It's amazing what you can do with a little bit of soap, baking soda, and corn starch. Follow the directions in this packet, mix up a batch of fun, and turn young scientists and artists loose to experiment and create chalk, paint, and...
Science Buddies
Science Buddies: Can Water Float on Water?
Of course it can, you say: ice is water and ice floats. And you're right. But we're talking about water in the liquid phase Can liquid water float on water? The goal of this project is to investigate what happens to layers of water with...
Other
Lunar and Planetary Institute: Explore! Ice Worlds
Features a collection of hands-on activities, investigations, and explorations designed to engage students in learning about ice, both in the solar system and on planet Earth.
American Chemical Society
American Chemical Society: Best of Wonder Science: Ice of a Different Color [Pdf]
An experiment to test what happens to water when salt or sugar is added and it is then frozen into ice cubes. Students also explore the ice's physical properties by rubbing cubes on sandpaper and dropping a heavy object on each type.
TeachEngineering
Teach Engineering: How Cold Can You Go?
Students explore materials engineering by modifying the material properties of water. Specifically, they use salt to lower the freezing point of water and test it by making ice cream. Using either a simple thermometer or a mechatronic...
Other
Science House: Ice Cream
Experiment shows students how to use the lowered freezing point of water to chill another mixture (ice cream) to the solid state. Teacher's notes provide background information.
Science Buddies
Science Buddies: Are You Gellin'?
Chances are, you have several materials around your house made of gelatinized materials. Gels are used in all kinds of products and materials: pudding, diapers, insoles, packaging, ice cream, toothpaste, and much more. In this project,...
TeachEngineering
Teach Engineering: States of Matter
Students act as chemical engineers and use LEGO MINDSTORMS NXT robotics to record temperatures and learn about the three states of matter. Properties of matter can be measured in various ways, including volume, mass, density and...
University of Chicago
Center for Astrophysical Research in Antarctica: Don't Be Too Flaky
After reading some facts about the properties of water, students conduct experiments to measure the relative densities of water, ice and snow and submit the results to the website.