Diffusion/Osmosis WebQuest
Name:__________________________________________
Step 1 http://highered.mcgrawhill.com/sites/0072495855/student_view0/chapter2/animation__how_osmosis_works.html
Watch the video and answer the questions, then take the quiz.
1. Why can water pass through the membrane?___________________________________________________________
2. Where does the water move?________________________________________________________________________
__________________________________________________________________________________________________
3. Explain the difference between hypertonic and hypotonic. ________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
4. Take the Quiz Get a 100% and then get checked off. Checked?_____________________
Step 2 http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/cells/osmosisact.shtml
Watch the video and answer the questions
1. When does diffusion occur?_________________________________________________________________________
2. Why does the ink spread out?_______________________________________________________________________
_________________________________________________________________________________________________
3. Why does the smoke spread out?____________________________________________________________________
_________________________________________________________________________________________________
4. How does oxygen reach the blood?___________________________________________________________________
__________________________________________________________________________________________________
5. What moves during osmosis?________________________________________________________________________
6. What direction does the water move?_________________________________________________________________
7. How does water get into plant cells?__________________________________________________________________
Step 3 http://www.biologycorner.com/quiz/qz_diffusion.html
Take the Quiz Get a 100% and then get checked off. Checked?_____________________
Step 4 http://www.cstephenmurray.com/onlinequizes/biology/cells/osmosisvsdiffusion.htm
Take the Quiz Get an 80% and then get checked off. Checked?_____________________
Step 5 http://www.diffen.com/difference/Diffusion_vs_Osmosis
Read and use the information to create a Venn diagram.
Step 6 http://www.teachertube.com/viewVideo.php?video_id=16606
Watch the video and answer the questions
1. How are the two samples of carrot cells different?_______________________________________________________
__________________________________________________________________________________________________
2. Why are the two samples of carrot cells different?_______________________________________________________
__________________________________________________________________________________________________
Step 7 http://www.mhhe.com/biosci/esp/2001_gbio/folder_structure/ce/m3/s3/cem3s3_3.htm
Place each bag in the proper place. Make an observation about what changed for each bag and why it changed. Also
note which direction the water is moving (into the bag, out of the bag, neither).
Isotonic Bag: ______________________________________________________________________________________
___________________________________________________________._______________________________________
Hypertonic Bag: ____________________________________________________________________________________
__________________________________________________________________________________________________
Hypotonic Bag:______________________________________________________________________________________
_________________________________________________________________________________________________
Exit Ticket
Name:_______________________________________________
1. Explain the difference between osmosis and diffusions:___________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
Complete the Drawings.
2.
3.
Exit Ticket
Name:_______________________________________________
1. Explain the difference between osmosis and diffusions:___________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
Complete the Drawings.
2.
3.
Exit Ticket
Name:_______________________________________________
1. Explain the difference between osmosis and diffusions:___________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
Complete the Drawings.
2.
3.