Grade 9 Biology

Students as a summative activity were asked to independently investigate some aspect of the class and present their research as either a voice thread or movie.



Which energy drink will diffuse the best through a cell membrane?


How does light intensity effect the amount of carbon dioxide produced by a plant?


How does glucose concentration effect osmosis across a cell membrane?


Does caffeine effect you heart rate?


What is the effect of salt concentration on osmosis in potato cells?


Does exercise effect a persons heart rate?


Does exercise effect your heart rate?


Does temperature effect the amount of carbon dioxide gas produced by germinating seeds?


What is the effect of temperature on the concentration of carbon dioxide produces during yeast respiration?


Read what other teachers are saying about the Biology voice threads on the Thinking Stick

Grade 9 Biology Videos


Gym Rats. How does running affect your respiration rate?
http://www.youtube.com/watch?v=32vjcQfrE54



The Holy Egg. How does the enzyme pepsin effect protein digestion?
http://www.youtube.com/watch?v=1OzbDS6ANG0



How does light intensity affect the amount of carbon dioxide produced by germinating pea seeds?
http://www.youtube.com/watch?v=74_rLZGCsLk



How does colored light affect the amount of starch produced by plants during photosynthesis?
http://www.youtube.com/watch?v=35LL8hbH4og