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.
BiologyWise
Biology Wise: The Importance of Osmosis in Living Organisms
Explains what osmosis is and why it is such a critical process in the health and survival of living organisms.
University of Hamburg
University of Hamburg: Membranes: Diffusion, Permeability, Osmosis, Turgor, Active and Passive Transport and Transport
This cellular biology page presents extensive detail on the chemical nature of the cell membrane. Using the Chime plug-in, students can manipulate and study models of the membrane.
CK-12 Foundation
Ck 12: Life Science: Diffusion
[Free Registration/Login may be required to access all resource tools.] The process of molecules moving from an area where there are lots of molecules to an area where there are fewer molecules is known as diffusion. The diffusion of...
Other
Biology Simulations: Diffusion and Osmosis
This simulation can be used to study molecule movement across a semipermeable membrane.
Bryn Mawr College
Serendip: Diffusion Across a Selectively Permeable Membrane
Brief text summary of what students learn in the Diffusion across a Selectively Permeable Membrane lab, along with links to download Student Handouts and Teacher Preparation Notes in PDF or Word formats. Main teaching points include...
CK-12 Foundation
Ck 12: Life Science: 2.10 Diffusion
Understand the processes of osmosis and diffusion.
University of Hamburg
University of Hamburg: Osmosis
Why does a plant wilt? It all has to do with turgor pressure. Find out more about turgor pressure and osmosis.
Curated OER
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.
Simon Fraser University
Chem1 Virtual Textbook: Solutions [Pdf]
With an overview of seven topics related to solutions, this .pdf file provides information on everything from osmosis and osmotic pressure to ions in aqueous solution. Other topics include solutions of volatile substances, methods of...
OpenStax
Open Stax: Anatomy and Physiology: Tubular Reabsorption
Lists specific transport mechanisms occurring in different parts of the nephron, including active transport, osmosis, facilitated diffusion, and passive electrochemical gradients.
TeachEngineering
Teach Engineering: Cell Membrane Structure and Function
Young scholars learn about the different structures that comprise cell membranes, fulfilling part of the Research and Revise stages of the legacy cycle. Students view online animations of cell membrane dynamics (links provided). Then...
NASA
Nasa: Exploration: Then and Now: Follow the Water Lesson
The objective of this lesson is for students to learn the location of water and the importance of water to life. Students will learn about osmosis, soil samples, salinity, and more.
National Academy of Engineering
Greatest Engineering Achievements: Water Supply & Distribution
Learners explore the water supply and distribution in the 20th century. Some topics investigated are waterborne diseases, Aswan High Dam, and reverse osmosis. The resource consists of historical information, a timeline, and a personal...
BioMan Biology
Bio Man Biology: Cell Defense: The Plasma Membrane
Learn all about cell membranes in this game. Build a plasma membrane and learn about the membrane's functions. Identify the parts of a membrane, and learn how diffusion, transport, and osmosis work in cells. Includes a worksheet that can...
Alabama Learning Exchange
Alex: Rubber Egg Diffusion
This lab will illustrate diffusion and osmosis through a semi-permeable membrane. A chicken egg will be used as the model cell, because the yolk is actually a single large cell. The surrounding egg white, or albumin, contains water and...
McGraw Hill
Mc Graw Hill: Temperature, Osmotic Regulation and the Urinary System Postest
Answer these seven multiple choice questions about osmotic regulation in the Urinary system.
McGraw Hill
Mc Graw Hill: Temperature, Osmotic Regulation and the Urinary System Pretest
Answer these seven questions about osmotic regulation in the Urinary system. After hitting submit, review the concepts tested.
Science Education Resource Center at Carleton College
Serc: Egg Experiments
Two experiments where students investigate with uncooked eggs. In the first investigation, they explore how to remove the eggs outer shell while keeping the rest of the egg intact. In the second, students attempt to shrink the egg...
Concord Consortium
Concord Consortium: Molecular Workbench: Osmotic Pressure
View this simulation to observe the process of smaller particles moving through a semipermeable membrane. Temperature is adjustable. [Must download the simulation to engage in the activity]
Science Struck
Science Struck: Hydrostatic Pressure vs. Osmotic Pressure
Defines and explains what osmotic and hydrostatic pressure are, how to calculate them, their applications, and the instruments used to measure them.
OpenStax
Open Stax: Physics: Molecular Transport Phenomena
Learn about diffusion, osmosis, dialysis, and active transport in this college textbook. Section also includes how to calculate the rate of diffusion. Section includes problems and questions for the students to answer to ensure...
Bio Topics
Bio Topics: How Substances Get Into (And Out Of) Cells
Understand the processes that allow substances to enter and exit a cell with this interactive online worksheet. Site discusses both diffusion and osmosis.
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