Cell Membrane HW

Questions:

1. 1.     How are materials transported from the outside to inside of a cell or vice versa?
2. 2.     How does your cell membrane model compare to the one you saw in class (on the desk or your notebook)
3. 3.     Examine Ms. Esther’s model of a cell membrane. How does it compare to the one you created on this paper? What are the strengths and limitations of Ms. Esther’s model?
4. 4.     Why are models used in science?
5. 5.     Determine which model is the best model (3D paper, Ms. Esther's Fluid Mosaic model, or your model made in class) of a cell membrane. Explain your reasoning with examples and scientific language

84 HW

http://www.cbc.ca/news/health/chris-hadfield-s-next-mission-intensive-rehab-1.1403447

Read the article above and answer the following questions. There will be a quiz in which your homework can be used as a supplement.

ALWAYS USE TEXT AS EVIDENCE!

1. Who is Chris Hadfield and what did he accomplish?
2. Where did Chris Hadfield land on Earth upon his return from space?
3. How was Hadfield's physical health affected while in space?
4. How do astronauts aboard the ISS keep in shape while in space?
5. With the exception of bone loss, what other negative side effects can occur for astronauts?






If you didn't finish your classwork....

1.Why are bones important?

2.What happens to your bones as you travel in space? Use vocabulary from the text.

3.**Why is being an astronaut a dangerous career? Why does this occur? Explain with evidence from the text

4.Would you want to be an astronaut?

5.Predict what happens when an astronaut settles back on Earth. Will they need rehabilitation to be an “earthling” again? (You’ll find out for your hw!) J