Massachusetts Institute of Technology
Mit: Blossoms: Connection Between Water Desalination & Making Pickles
A video lesson combined with student group work about the desalination of seawater in areas where there is little access to freshwater.
Khan Academy
Khan Academy: Hypotonic, Isotonic, and Hypertonic Solutions (Tonicity)
Video lesson looks at hypotonic, isotonic and hypertonic solutions (tonicity) and seeing the effect of various types of solution on the direction of osmosis. [6:29]
Khan Academy
Khan Academy: Biology: Diffusion and Osmosis
A detailed explanation of the processes of diffusion and osmosis. [18:59]
Khan Academy
Khan Academy: Lab Values and Concentrations: Tonicity: Comparing Two Solutions
Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:02]
Sophia Learning
Sophia: Cell Transport
A narrated tutorial describing the three different kinds of cellular transport: diffusion, osmosis, and facilitated diffusion. Includes descriptive illustrations, analogies, and examples. [13:28]
Sophia Learning
Sophia: Osmosis: Lesson 5
This lesson will explain the process of osmosis and will describe the role of osmosis in our bodies. It is 5 of 8 in the series titled "Osmosis."
Sophia Learning
Sophia: Osmosis
A website giving an explanation to the process of osmosis with a PowerPoint presentation, a video of a lab, and a video of an answer to a review question. The PowerPoint presentation reviews the process by which water diffuses through a...
Khan Academy
Khan Academy: Energy and Transport: Unit Test
Take this nine-question unit test over energy and transport.
Khan Academy
Khan Academy: Energy and Transport: Hypotonic, Isotonic, and Hypertonic Solution
Hypotonic, isotonic and hypertonic solutions (tonicity). Seeing the effect of various types of solution on the direction of osmosis. [6:29]
Sophia Learning
Sophia: Osmosis: Lesson 3
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 3 of 8 in the series titled...
Bozeman Science
Bozeman Science: Osmosis Lab Walkthrough
Mr. Andersen shows you how to properly core potatoes for the osmosis lab. A thorough description of the lab protocol is included along with a brief description of percent mass change.
Bozeman Science
Bozeman Science: Ap Biology Lab 1 Diffusion & Osmosis
Paul Andersen starts with a brief description of diffusion and osmosis. He then describes the diffusion demonstration and how molecules move over time. He then explains the concepts behind the osmosis lab and how potatoes are affected by...
Bozeman Science
Bozeman Science: Ap Biology Labs Part 1
Paul Andersen details the first 7 of 13 labs in the AP Biology Curriculum. The following topics are all covered: Artificial Selection, Hardy-Weinberg Equilibrium, Comparing DNA using BLAST, Diffusion and Osmosis, Photosynthesis,...
Bozeman Science
Bozeman Science: Osmoregulation
Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for animal cell to be surrounded by an isotonic solution. He then explains how...
Bozeman Science
Bozeman Science: Osmosis Demo
Mr. Andersen gives a brief description of osmosis. He explains how water moves from a hypotonic to a hypertonic solution across a semipermeable membrane. The video ends with a time-lapse demon in class.
Bozeman Science
Bozeman Science: Water Potential
In this video, Paul Andersen defines water potential and explains how it can be calculated in a simple system. He explains how water can moved through osmosis and break down the two major parts of water potential (solute potential and...