Diffusion and Osmosis
Name: ______________________
http://www.diffen.com/difference/Diffusion_vs_Osmosis
What does semipermeable mean?
What is diffusion:
What is osmosis:
Where is diffusion important? & osmosis?
Example of diffusion:
Example of Osmosis:
http://www.phschool.com/science/biology_place/labbench/lab1/intro.html
This is an online lab that will test the principles of diffusion and osmosis. In this laboratory, you will study some of the
basic principles of molecular movement in solution and perform a series of activities to investigate these processes.
You will need to click on
to move through the lab. Anytime you see this icon:
please click on it to see more information, next you will click
Complete Concepts 1-6
In osmosis water will move from the ____________ to the __________________ (closer look osmosis page)
What color will iodine combined with starch make?
In movement of molecules in cells what goes into the cell & what is leaving the cell?
What type of solution is inside the bag? Inside the beaker?
What will happen to a blood cell in distilled water? To a plant cell?
Now skip ahead to the Lab quiz (click the words on the left side) Record your answers for the first 2 questions.
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2.
http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter2/animation__how_osmosis_works.html
What 2 things can stop a molecule from crossing a semipermeable membrane?
If osmotic concentration is equal the solutions are _____________________
When they have unequal osmotic concentrations the side with higher solutes is _______________________ while the
side with lower solutes is called ________________________.
http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter2/animation__how_diffusion_works.html
Watch the video about diffusion (leave text on so you can read it) then record your answers the quiz below the video.
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