Activity: (U2 M1) Diffusion, Osmosis, and Active Transport
Diffusion, Osmosis, and Active Transport instructions:
Before performing a series of experiments in the Lab, this Activity will help you envision the processes that move materials across a cell membrane using a free software program developed by the Concord Consortium, a leader in online technology-based learning. You will have the opportunity to trace the path of a solute molecule as it diffuses through a solution, visualize how the cell uses energy to facilitate molecule movement, and perform virtual experiments on blood cells to learn how oxygen is transported throughout the body and delivered to your cells. You will also get the opportunity to answer questions that provide immediate feedback, so you can check your understanding of the concepts presented.
The modeling software can be found at the following link:
Diffusion, Osmosis, and Active Transport (Webpage)**
** Before you download the file that will launch the interactive, be sure to check that you have the latest version of Java on your computer.
Once on the modeling software webpage, click on the “Download & Launch” button towards the right of the screen, and open the file once it finishes downloading. This file will open as a temporary file, and will not install any permanent programs or software on your computer. Depending on your browser and computer security settings, you may get a security pop-up window asking you to give permission to open the file or warning you not to open unknown files of this type. It is a safe file, so there is no danger in using this program.
As you work through the simulations, there will be a variety of multiple choice questions that you will answer directly in the software; however, when prompted to write an essay-style response or description, use the following worksheet to record your answers.
Diffusion, Osmosis, and Active Transport Worksheet (Google Doc)
Once you have completed the simulations, answer the analysis questions at the end of the worksheet. It is recommended that you print out this worksheet and answer the analysis questions by hand as you complete the Activity. This Activity is not to be turned in or graded. There will be questions on the Credit Unit Assessment regarding this Activity.