1. Relate the Desert Cottontail to
Relate the desert cottontail to a radiant heating system.
Explain adaptations to the environment (why fur in a desert?,
what about its ears?)

2. Comparison Desert Fort Thomas ? ? Temperature Day/Night
Temp. Variation
Humidity
Sun vs. Clouds
Precipitation ? ?

3. Wind Chill Article
What are we surrounded by?
What causes wind chill?

4. Wind Chill Article
Make a prediction: what will happen to the temperature of the stainless steel temperature probe when placed in front of the fan.
A = no change B = increase C = decrease
Why doesn’t the stainless steel temp probe decrease in temperature when in front of the blowing fan?

5. Dry Ice Burn
What causes your skin to burn even though your skin becomes cooler?
What causes the sense of burning?

6. Read Chilling Effects, use highlighter to note importance
What is the point of the article?
What happened to Eric?
At which skin temperature does frostbite begin?
What causes frostbite?
How does frostbite damage your skin?
Is it a good idea to put snow on frostbitten skin?
What is the best treatment for frostbite?

7. What causes frostbite? Water in your cells freeze.
Ice crystals pierce through the cell membranes and walls
Small blood-carrying vessels called capillaries freeze.
Pain and then numbing
Warm blood supply cannot pass through frozen capillaries, promotes more extensive freezing.
Cells damage, flesh dies and blacken

8. Stages of Frostbite

9. Frostbite related to Heating
How is the condition of frostbite similar to shutting off the water from the furnace to the radiator in a room?

11. Trapped air makes a good insulator