1 / 7

Water & Solutions

Water & Solutions. Water’s Special Properties! #1- Ice Floats. When water freezes, its structure locks air pockets in. This makes water less dense as a solid than as a liquid. Question: How would our Earth be different if it didn’t float?. Special Property #2.

audra-hoffman
Download Presentation

Water & Solutions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Water & Solutions

  2. Water’s Special Properties!#1- Ice Floats • When water freezes, its structure locks air pockets in. • This makes water less dense as a solid than as a liquid. Question: How would our Earth be different if it didn’t float?

  3. Special Property #2 • Water absorbs and retains heat. • How does this affect living organisms? • HINT: What is your body temp?

  4. Special Property #3 • Water molecules stick to each other. (Cohesion) -Water can stay a liquid at room temp. because it sticks together!

  5. Special Property #4 • Water molecules stick to other polar substances. (Adhesion) • Fig. 5 on p. 55 • The water is moving up the stem of the plant.

  6. Key Terms: • Cohesion- The attraction of particles of the same substance. • Adhesion- The attraction of particles of different substances. • Solution- A mixture, in which 2 or more parts are evenly dissolved. (Has a solute & solvent.) • Solute- This part dissolves. • Solvent- This part does the dissolving.

  7. Key Terms cont. • Acid-Substances that give off H+ ions in water. • Bases-Substances that give off OH- ions in water. • pH- The measure of how acidic or basic a substance is. • Buffer- Prevents pH changes in a substance. Look at p. 57

More Related