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#3.20 Aim: How does the sun make energy? Agenda QOD (5) Lesson: solar power (15) Activity: passive and active solar (15) Summary (5) HW #27 2. The mass lost transforms into energy (like in fission, in nuclear power) Fusion 1. The sun turns hydrogen into helium
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#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
QOD: What is one benefit (pro) and one drawback (con) to using wind
power to generate electricity?
Solar power
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
#3.20 Aim: How does the sun make
energy?
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
2. The mass lost transforms into energy (like in fission, in nuclear power)
Fusion1. The sun turns hydrogen into helium
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
Solar power1 square meter on earth gets ~ 1 kilowatt (17 light-bulbs) of energy
The sun’s energy is so strong that if only 0.1% of the earth (New Mexico + South Dakota) were covered in solar panels, we would have enough
electricity for the whole world.
A map of the world showing kilowatt hours per region
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
How do we collect solar power?Two main ways…
1.Passive 2. Active
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
1. Passive solar energy collection
= direct absorption of sunlight.
Ex: materials chosen that absorb heat well, South-facing windows
Ex: buildings designed with windows covered in deciduous plants
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
2. Active solar energy collection= using technology to focus, move, or store
solar energy.
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
Is solar power renewable or non-renewable?
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
Passive or active?1. With your group-mates, read about the
different ways people are using solar power to take care of their energy needs.
2. For each example discuss whether you think it is active or passive solar energy collection.
3. Answer the questions on your CW
#3.20 Aim:
How does the sun make
energy?
AgendaQOD (5)
Lesson: solar
power (15)
Activity: passive
and active
solar (15)
Summary
(5)
HW #27
Summary…Do you think you could
implement any of these examples where you live?
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