NOTES: HEAT TRANSFER Movement of thermal energy from one place to another is called HEAT THREE METHODS of heat transfer occur in our atmosphere: RADIATION CONVECTION CONDUCTION

RADIATION is heat transfer by rays of energy on the ELECTROMAGNETIC SPECTRUM. 
.

CONVECTION is heat transfer by the motion of hot and cold fluids (either gas or liquid).

CONDUCTION is heat transfer by direct contact between two objects.

Heat transfer through the motion of gas or liquid. CONDUCTION: CONVECTION: Heat transfer through the motion of gas or liquid. CONDUCTION: Heat transfer through direct contact (touch it and you get burned). RADIATION: Heat transfer through space in the form of waves. You can feel it with NO direct contact (like when you feel sunlight).

HOW to COOK an EGG

Energy from the sun is transferred as ________ Some is absorbed by the THERMOSPHERE and some by the OZONE LAYER. Some warms the ground. Air touching the ground is heated by _________ Warm air moves around because of _________

"Greenhouse Gases" (carbon dioxide, methane, water vapor) would keep the heat trapped in the atmosphere like a blanket. . . Greenhouse Gases are Water Vapor, Carbon Dioxide, spray-can propellants, gases from living things

Things that affect how the ground absorbs radiation include: Reflective or shiny surfaces Colors Textures "ALBEDO"

Other things that can affect absorbtion of radiation include: Angle of incidence (the angle that the sun is shining on something) Specific Heat Capacity, which is how much energy it takes to raise the temperature of a substance by one degree. (It takes a lot more energy for water to heat up and cool down, compared to rocks and land surfaces)

Two things we observe in the atmosphere when heat is transferred, are CLOUDS and WIND!

CFU Questions (Check for Understanding!)

SPECIFIC HEAT QUESTION #1: You're forging a sculpture in Mr. 
Wilson's engineering class. Which 
material is easier to melt:  aluminum or lead?

SPECIFIC HEAT QUESTION #2: On a hot sunny day at the beach, why does the 
sand get really hot, but the water doesn't?

When you get an X-ray, the doctor covers you with a lead vest. When you listen to the radio, you don't wear lead. WHY?

Wind blows in different directions during the day than at night. 
WHY?