Homeostasis: Osmosis & Diffusion

In pg. 60 What is Diffusion?

Do it now pg. 60 What is Osmosis?

pg. 61 Thru 1 Notes Properties of Water

Pg. 61 Thru 2 write questions in red 1. Write the chemical equation for water. ____________ 2. Sketch a model of a water molecule, show polarity by labeling positive and negatively charged regions of the molecule. 3. How is a water molecule like a magnet? 4. What causes surface tension in water? 5. Give an example that you observed of surface tension. 6. Define cohesion in your own words. Give an example. 7. Define adhesion in your own words. Give an example. 8. How does water get to the leaves in the tops of the tallest trees against the force of gravity? Name property responsible for this and explain how it works. 9. Why is solid water less dense than liquid water?

Pg. 61 Thru 3 Read this first

Thru 3 Questions write questions in red Explain why water is a polar molecule? How do hydrogen bonds form? What are the two parts of a solution? What types of molecules dissolve easily in water? What types do not dissolve easily in water? What does pH mean?

Thru 4 pg. 61 write questions in red Write the chemical equation for water. Draw a Stick model of a water molecule Sketch a space filling model of a water molecule, show polarity by labeling positive and negatively charged regions of the molecule. How is a water molecule like a magnet? What causes surface tension in water? Give an example that you observed of surface tension. Define cohesion in your own words. Give an example. Define Adhesion in your own words. Give an Example.   How does water get to the leaves in the tops of the tallest trees against the force of gravity? Name the property(s) responsible for this and explain how it works. Why do humans sweat and dogs pant? Why does Ice Float on water?  List all the properties of water.

Pg. 61 Do it agian What are the three properties of water.

Pg. 61 Out Give examples that illustrate each property of water.