Curated OER
Plant Life
Seventh graders examine different categories of plant life and their roles as producers of food and oxygen for other organisms. They study the evolution of plants from simple organisms to very complex ones. They look at the different...
Concord Consortium
Concord Consortium: Stem Resources: Diffusion, Osmosis, and Active Transport
Have you ever wondered how important gases enter and leave cells? Take an up close tour of a pore in a cell membrane. Then explore diffusion, osmosis, and active transport through this collection of interactive models.
Khan Academy
Khan Academy: Osmosis and Tonicity
Provides an overview of osmosis and tonicity and looks at how osmosis works, as well as the role it plays in the water balance of cells. Describes hypertonic, isotonic, and hypotonic solutions and their effect on cells.
Texas Education Agency
Texas Gateway: Molecular Transport Phenomena: Diffusion, Osmosis, & Related Proc
By the end of this section, you will be able to define diffusion, osmosis, dialysis, and active transport and to calculate diffusion rates.
CK-12 Foundation
Ck 12: Biology: Osmosis
[Free Registration/Login may be required to access all resource tools.] Describes osmosis.
Bryn Mawr College
Serendip: Investigating Osmosis
Brief text summary of what students learn in the Investigating Osmosis lab along with links to download Student Handouts and Teacher Preparation Notes in PDF or Word formats. Students design and run an experiment to demonstrate osmosis...
Other
Ed Tech/osmosis
An online tutorial that takes you through an exploration of the processes of osmosis and osmotic pressure.
City University of New York
Brooklyn College: Osmosis Interactive Activity
Great activity with clear background information. Try out the lab using osmosis to calculate molecular weight.
Other
Reverse Osmosis and Osmotic Pressure What They Are
This site gives a good explanation of osmosis and reverse osmosis. Also includes a scientific diagram of the process.
City University of New York
The World of Cells: Osmosis
This definition and explanation osmosis shows how water diffuses from regions where it is in high concentration to regions where it is in low concentration.
CK-12 Foundation
Ck 12: Osmosis
[Free Registration/Login may be required to access all resource tools.] Tutorial defines osmosis and the difference between osmosis and diffusion. Students will learn how to distinguish solute from solvent and solution and the hypotonic,...
Science Education Resource Center at Carleton College
Serc: Osmosis Eggs
A lab activity where students learn the concept of osmosis by observing an egg in different solutions. Included is a procedure for students to follow.
Science Education Resource Center at Carleton College
Serc: Investigating Osmosis Using Water and Gummy Bears
In this biology classroom lab, young scholars investigate the affect of soaking a Gummy Bear in water. They collect measurements of height, width, and mass before and after the soaking of the candy overnight. Students calculate % change...
Science Struck
Science Struck: Examples of Osmosis
Explains what osmosis is and provides a variety of examples.
Science Struck
Science Struck: Osmosis vs. Diffusion: How Are They Different?
Explains the processes of osmosis and diffusion using labeled illustrations, discusses how they occur and gives examples.
Concord Consortium
Concord Consortium: Diffusion, Osmosis and Active Transport
This activity demonstrates diffusion, osmosis, and active transport through 12 interactive models. (Requires Java)
Sophia Learning
Sophia: Osmosis: Lesson 2
This lesson explains the process of osmosis. It explains how osmosis is a passive form of transport, used to move water molecules across a semi-permeable membrane, down their concentration gradient. It is 2 of 8 in the series titled...
Sophia Learning
Sophia: Osmosis: Lesson 4
This lesson explains the process of osmosis. It explains how osmosis is a passive form of transport, used to move water molecules across a semi-permeable membrane, down their concentration gradient. It is 4 of 8 in the series titled...
Sophia Learning
Sophia: Osmosis: Lesson 1
This lesson explains the process of osmosis. It explains how osmosis is a passive form of transport, used to move water molecules across a semi-permeable membrane, down their concentration gradient. It is 1 of 8 in the series titled...
Other
Fundamentals of Reverse Osmosis
This site provides a basic definition of reverse osmosis, with a bit of a slant on why water pretreatment is important.
Bio Topics
Bio Topics: Osmosis in Operation in Animal Cells
Want to learn more about osmosis in the animal cell? This website includes a variety of resources for you to investigate active transport, osmoregulation, and dialysis. Resources includes reference information, diagrams, and lab experiment.
Bio Topics
Bio Topics: Pupils' Experiments With Osmosis in Carrot Tissue
An experiment that demonstrates the process of osmosis with pieces of carrots. Experiment includes procedure, data table, and post lab questions.
Texas Education Agency
Texas Gateway: Cell Homeostasis: Osmosis
Learn how water flows in and out of solutions in this interactive tutorial.
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