AIM: HOW IS ENERGY TRANSFERRED. DO NOW: 1

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AIM: HOW IS ENERGY TRANSFERRED. DO NOW: 1 AIM: HOW IS ENERGY TRANSFERRED? DO NOW: 1. (PD 1 AND 7) TAKE OUT LAB # 22 2. TAKE OUT LAB # 21 2. TAKE OUT YESTERDAYS ACTIVITY HW: 1. PERIOD 4 AND 9 LAB#22 DUE TOMORROW 2. LATENT/SPECIFIC HEAT WIZARD QUIZ DUE FIRDAY AT 8AM 3. REMAINING PAGES OF MIDTERM REVIEW DUE THURSDAY

AIM: HOW IS ENERGY TRANSFERRED. DO NOW: 1 AIM: HOW IS ENERGY TRANSFERRED? DO NOW: 1. (PD 4 AND 9) TAKE OUT LAB # 22 2. TURN TO HEAT TRANSFER NOTES HW: 1. LATENT/SPECIFIC HEAT WIZARD QUIZ DUE FIRDAY AT 8AM 2. REMAINING PAGES OF MIDTERM REVIEW DUE THURSDAY

Radiation

Prove this statement: Infrared radiation is weaker than visible light.

Radiation Maximum Energy from the Sun is in the form of Visible Light (Short waves)

Maximum Energy RE-RADIATED from the Earth is in the form of Infrared (longer waves)

Black and rough absorbs the best If it is a good absorber….it is a good radiator (re-radiation)

White (shiny) and smooth is the best reflector Energy absorbed and released by the Earth is called terrestrial radiation

What could block(scatter and reflect) or absorb it? Aerosols and dust in the atmosphere Water vapor and CO2 Volcanic ash

1 3 1 2 3

AIM: TRANSFER OF ENERGY LAB DO NOW: 1 AIM: TRANSFER OF ENERGY LAB DO NOW: 1. FIND YOUR SEAT LETTER/ NUMBER AND SIT THERE 2. TAKE OUT MIDTERM REVIEW AND PLACE IN BLUE BIN NEXT TO WHITEBOARD 3. TAKE OUT A PENCIL AND PLACE YOUR BACKPACK AGAINST THE WALL NEAR WHITEBOARD HW: 1. LATENT/SPECIFIC HEAT WIZARD QUIZ DUE FRIDAY AT 8AM

AIM: ATMO ENERGY PRE-TEST DO NOW: 1 AIM: ATMO ENERGY PRE-TEST DO NOW: 1. PERIOD 4 AND 9 TAKE OUT YESTERDAYS LAB DATA 2. PERIOD 1 AND 7 TAKE A TEST ESRT. YOU MAY USE YOUR OWN CALCULATOR. HW: STUDY FOR MIDTERM ENERGY TRANSFER TEST WIZARD DUE NEXT FRIDAY AT 8AM

CONDUCTION Energy transfer by direct molecular contact Most common through a solid object Can occur when a solid object TOUCHES the molecules of another solid, liquid (Metal bar in water) or gas

Convection Transfer of heat through fluids (liquids, gases and magma) Results from differences in density within the fluids

The differences in density could be caused by changes in both temperature and/or pressure

Ex: warm air rises, cool air sinks Creates a CONVECTION CELL

Which example of heat transfer is due mainly to convection? Heat energy transferred by air moving from the Earth's surface to the upper atmosphere Heat energy transferred by being reflected from a lake surface to the air above Heat energy transferred through a solid metal door Heat energy transferred from the Sun to the Earth

Types of energy transfer

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