Osmosis Online
Name __________________________ Date __________
http://www.purchon.com/biology/osmosis.htm
What three important statements are in the definition of Osmosis? (write
the 3 sets of bold-faced words)
1.
2.
3.
http://goanimate.com/movie/076y2K9wp6ik
Watch the animation up to Osmosis.
Particles tend to move from more dense areas to?
What name is given to dense areas?
What name is given to less dense areas?
http://www.bing.com/images/search?q=osmosis+animation&view=detail&id=9205C3A17A6
1E96538788226B922E246EC49B958&first=0&qpvt=osmosis+animation&FORM=IDFRIR
Scroll down to Osmosis.
What is a semi-permeable membrane?
Define Osmosis
Watch the animation. What happens to the amount of water molecules –
how does the amount change?
What is meant by “water concentration has now reached equilibrium?”
Scroll to Hypotonic.
solution?
Scroll to Hypertonic.
Why might a cell burst if placed in a hypotonic
What happens to a cell in hypertonic solution?
What solution allows a cell to maintain its water balance and stay
normal and healthy?
http://www.kscience.co.uk/animations/turgor.htm
What is the condition of the plant when its cells are flaccid (have low
water)?
As the vacuole fills with water, how does the plant change?
http://www.elmhurst.edu/~chm/vchembook/251fluidproc.html
Scroll to the bottom. Draw and label both sets of the Red blood cells.
(Put one set of pictures here and the other on the next page)
Put the second set of Red blood cell pictures here (don’t forget to
label):
http://www.biology.arizona.edu/cell_bio/problem_sets/membranes/04t.html
Describe the water movement of cells in isotonic solutions:
Compare this movement with how water moves in hypertonic and hypotonic
solutions: