Post on 18-Jan-2018
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#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
QOD: Little Tommy wants to dig a tunnel all the way to China. Why can’t
he?
Geothermal energy
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
What is geothermal energy?
Use a computer to find out…1. Google “geothermal energy”2. Find out and write down at least 8 facts
OR
1. Go to New York Times 2. Find and summarize an article about geothermalenergy
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
Share: What is geothermal energy?
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
#3.24 Aim: How is geothermal energy
harnessed?
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
Geothermal energycomes from the heat in earth’s core
Heat rises through natural cracks and warms groundwater.
Evidence of hot spots!
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
How do geothermal plants produce electricity?
1. Magma heats groundwater
2. …which turns into steam
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
How do geothermal plants produce electricity?
3. Steam turns turbine, electricity is produced!
4. Steam is cooled back into water and returned to the groundwater
Geothermal energy can also be used for heat!
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
Geothermal facts:
Provides <0.5% of total energy use world-wide
In the U.S. we have enough to power 1.4 million homes
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
Pro’s1. Renewable (mostly) 2. Few greenhouse gases emitted
1 megawatt of electricity produced at a geothermal plant prevents the emission of 7.8 million pounds of carbon dioxide from gas-fired plants
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
Con’s1. Not all geothermal power plants are sustainable
At the geyers in Napa Valley, CA the plant uses hot water faster than the groundwater can heat it up again.
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
Con’s2. Can only be harnessed in certain areas
Think back to earth science… do you think these spots will ALWAYS be good locations for harnessing geothermal energy?
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
HW #30Pro’s and con’s of geothermal
energy
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30
#3.24 Aim:
How is geothermal
energy harnessed?
AgendaQOD (5)
Activity:What is
geothermal energy?
(15)
Lesson: Geotherma
l energy (15)
Summary: pass-back
quizzes
HW #30