Curated OER
Homeostasis and the Plasma Membrane
In this homeostasis and plasma membrane worksheet, students complete 4 different questions related to the diagram shown at the top of the sheet. They draw an arrow across the plasma membrane in the diagram to show which way water...
American Chemical Society
Middle School Chemistry: Changing State: Freezing
Students investigate how low temperature causes water vapor to condense into a liquid and then freeze to form a solid.
American Chemical Society
Middle School Chemistry: Changing State: Melting
Discover the concept that energy transfer and molecular motion cause the change in state from a solid to a liquid. Also compare state changes of water to the state changes of other substances.
American Chemical Society
Middle School Chemistry: Chapter 5: The Water Molecule and Dissolving
Nine exemplary chemistry lessons about the water molecule and dissolving complete with handouts and animations.
CK-12 Foundation
Ck 12: Properties of Water
[Free Registration/Login may be required to access all resource tools.] In this learning module, students will investigate the chemical and physical properties of the unique and important substance, water.
TeachEngineering
Teach Engineering: Tension Racers!
Students see how different levels of surface tension affect water's ability to move. Teams "race" water droplets down tracks made of different materials, making measurements, collecting data, making calculations, graphing results and...
TeachEngineering
Teach Engineering: Down With the Clip!
Students see how surface tension can enable light objects (paper clips, peppercorns) to float on an island of oil in water, and subsequently sink when the surface tension of the oil/water interface is reduced by the addition of a...
TeachEngineering
Teach Engineering: Let's Get Dirty
In a very hands-on activity, students observe and feel the differences between two cleaning methods, with and without hand soap, using coffee grounds to represent "dirt."Most of the dirt and bacteria on our hands is encased in a thin...
Texas Education Agency
Texas Gateway: Water
Given scenarios, descriptions, or illustrations, the student will determine the properties of water that affect chemical and biological systems.
American Chemical Society
Middle School Chemistry: Lesson Plans: Can Gases Dissolve in Water?
An activity through which students learn why gas is able to dissolve in water, and how heat affects the solubility of a gas in a liquid.
American Chemical Society
Middle School Chemistry: Molecules Matter
Learners observe and discuss water on the molecular level using the idea that water is composed of tiny molecules that are attracted to one another.
American Chemical Society
Middle School Chemistry: Density: Sink and Float for Liquids
Young scholars determine whether a liquid will sink or float in water by comparing its density to the density of water.
American Chemical Society
Middle School Chemistry: Density of Water
Students discover the concept that density is a characteristic property of water by measuring the volume and mass of water and calculating its density.
American Chemical Society
Middle School Chemistry: Changing State: Evaporation
Students build a model of a water molecule and design an experiment to see if adding energy affects the rate of evaporation.
American Chemical Society
Middle School Chemistry: Changing State: Condensation
Students investigate water cycle processes by testing how cooling affects the rate of condensation of water vapor.
American Museum of Natural History
American Museum of Natural History: O Logy: What's the Big Idea? Water
Illustrated article that explains why all living things need water.
Environmental Education for Kids
Eek!: Water Wonders
This site from the Environmental Education for Kids contains colorful and detailed information on water resources. Site covers fascinating tips and facts, as well as engaging quizzes on the wonderful world of water. Best suited for...
US Geological Survey
Water Properties
This site provides a discussion of the physical properties of water. Click Home to access the site in Spanish.
Channel 4 Learning
4 Learning: Geography Essentials, Water
This site discusses the differences between clean water, clear water, and waste water. It also provides information on water usage and provides worksheets, images, and links for teacher usage.
Exploratorium
Exploratorium: Science Snacks: Indicating Electrolysis
This experiment and video demonstration shows how students can break up water into hydrogen and oxygen gas with a simple electrolysis device.
American Chemical Society
Middle School Chemistry: Density of Water
Discover how the molecular make-up of water affects its density.
American Chemical Society
Middle School Chemistry: Water Is a Polar Molecule
Explore the water molecule, and understand how it is a polar molecule.
Chem4kids
Chem4 Kids: Oxygen (O)
Here you can find some great information about the 8th element in the periodic table, "oxygen." Content focuses on oxygen's electrons, where you can find oxygen in nature and in the home, and how oxygen combines with other elements.
Sophia Learning
Sophia: Molecular Structure of Water
A brief introduction to the molecular structure of a water molecule, and the chemical bonding which gives it its unique properties.