1. Clouds March 11, 2010

2. Clouds • 1. _Clouds- are a collection of millions of tiny water droplets or ice crystals

3. How do clouds form? • 1. Warm air rises and cools • 2. Water vapor is added to the air. • 3. Air eventually becomes saturated. • 4. Water vapor condenses on smoke, dust, salt, and other small particles_high in the air. • 5. Millions of droplets of liquid water collect to form a cloud.

4. Root Words • 1. cumulus-puffy, flat-bottomed • 2. nimbus-(nimbo)- heavy rain or rain cloud • 3. stratus-layered • 4. cirrus-lock or curl • 5. High-_cirro • 6. Middle- alto • 7. Low- strato

5. Cumulus

6. Stratus

7. Cirrus Clouds

8. Clouds

9. Cloud

10. Cloud Project • 1. Cut out the 6 clouds, staple 2 blue sheets of paper together • 2. Use page 41 in your book as a guideline and label the height (altitude) on the right hand side of your paper. • 3. Glue the clouds in the correct altitude. • 4. Add lightning to the cloud that may produce thunderstorms, also shade in the cloud that may be gray because it produces rain. • 5. At the top of your paper, write the following root words and their meaning. Strato, alto, cirro, cumulus, stratus, cirrus, and nimbo

11. Cloud vocabulary • 1. Strato • 2. Alto • 3. Cirro • 4. Puffy, flat bottomed • 5. Cirrus • 6. Layered • 7. Nimbus