1. Section 2 Energy Transfer in the Atmosphere

2. Section Goals
I will describe what happens to the energy Earth receives from the sun.
I will compare and contrast conduction, convection, and radiation.
I will explain the water cycle.

3. Vocab Words (Chapter 1 due Friday)
Radiation
Conduction
Convection
Hydrosphere
Condensation

4. Some energy from the Sun is reflected back into space
some is absorbed by the atmosphere,
and some is absorbed by land and water on Earth's surface

5. Heat—energy that flows from an object with a higher temperature to one with a lower temperature
Radiation—energy transferred in rays or waves (Sun)
Conduction—transfer of energy when molecules bump into each other through contact (Touching a hot plate)
Convection—transfer of heat by the flow of a material (lava lamp)

7. Clicker Time!!!!!

8. The water cycle—water moves back and forth between Earth's atmosphere and surface

9. Energy from the Sun causes water to evaporate from the hydrosphere, and rise as vapor.

10. Water vapor in the atmosphere can cool and return to liquid form through condensation.
a. When water vapor condenses, clouds of tiny water droplets may form.
b. Water droplets collide to form larger precipitation

11. Condensation

12. Precipitation