1. Aim: Why is water (H2O) important for living things? DO NOW: 1. Explain 2 functions of water in the human body. 2. Which 2 elements make up the structure of a molecule of water?

2. Water Made up of 2 atoms of hydrogen and 1 atom of oxygen

3. Functions of Water for Human Body

4. More Water Functions

5. Homeostasis Homeostasis is stability or keeping things at balance or equilibrium Water allows for body homeostasis

6. Water is important for bodily chemical reactions! Chemical reactions involve breaking and forming of chemical bonds Acts as a universal solvent, in which chemicals called solutes, can dissolve Water is present in the cytoplasm of cells, where many chemical reactions occur

8. Animal Cell

9. Think! Question: Describe 2 other reasons why water is important, but exclude humans in your reasoning.

10. Conserve Water! Don’t waste it!

11. BrainPop Video https://www.brainpop.com/science/earthsyst em/water/ https://www.brainpop.com/science/earthsyst em/water/

12. Quote

13. Homework 1. Describe one way in which water helps maintain homeostasis in your body. 2. Complete the DAILY PLANNER graphic organizer handed out.