< Back to resources
This episode defines energy and introduces the different energy resources.
Topics covered in this video:
0:00 – 0:26:
– Introduction
0:27 – 4:46 (end)
– Definition of energy
– Different kinds of energy
– Energy transformations
– Efficiency
– Energy resources are found in all spheres of the earth (geosphere, biosphere, hydrosphere, atmosphere, cosmosphere)
Intro to Energy and Energy Resources
This episode defines energy and introduces the different energy resources.
Topics covered in this video:
0:00 – 0:26:
– Introduction
0:27 – 4:46 (end)
– Definition of energy
– Different kinds of energy
– Energy transformations
– Efficiency
– Energy resources are found in all spheres of the earth (geosphere, biosphere, hydrosphere, atmosphere, cosmosphere)
< Back to resources
This episode overviews some not-so-familiar energy resources, as well as renewable and sustainable resources.
Topics covered in this video:
0:00 – 0:24:
– Introduction
0:25 – 3:16
– An overview of energy resources
– Hydroelectric Power (rivers, water)
3:17 – 4:17
– Waves (driven by winds)
– How does it work?
– Where is it useful?
4:18 – 7:30
– Tides
– Possibility of underwater tidal energy farms
– Why not use them yet?
7:30 – 8:56
– Geothermal energy
– Where are these resources highest?
– Volcanoes, fault lines
8:57 – 12:45
– Renewable and sustainable resources
– Perpetual, renewable, and non-renewable
– Which energy sources are perpetual?
– Rate of natural replenishment vs. rate of consumption
– Defining sustainable
Renewable and Sustainable
This episode overviews some not-so-familiar energy resources, as well as renewable and sustainable resources.
Topics covered in this video:
0:00 – 0:24:
– Introduction
0:25 – 3:16
– An overview of energy resources
– Hydroelectric Power (rivers, water)
3:17 – 4:17
– Waves (driven by winds)
– How does it work?
– Where is it useful?
4:18 – 7:30
– Tides
– Possibility of underwater tidal energy farms
– Why not use them yet?
7:30 – 8:56
– Geothermal energy
– Where are these resources highest?
– Volcanoes, fault lines
8:57 – 12:45
– Renewable and sustainable resources
– Perpetual, renewable, and non-renewable
– Which energy sources are perpetual?
– Rate of natural replenishment vs. rate of consumption
– Defining sustainable
< Back to resources
This episode explores the history of human energy consumption and modern trends in energy consumption.
Topics covered in this video:
0:00 – 5:06:
– Introduction
– History of humans and energy sources
– sunlight and photosynthesis
– energy sources needed
– how fossil fuels changed the economy
– Bar graphs of: – total energy use by all humans by era
– energy use per person by era
– types of energy sources used over time (wood, coal, petroleum, etc.)
5:07 – 7:39
– Petroleum: description – hydrocarbons
– crude oil
– natural gas
– link between fossil fuels and climate
– combustion
7:40 – 8:41
– use of petroleum by humans over the last few millenia
– natural petroleum seeps
8:42 – 11:21
– U.S. consumption of energy sources in kWh
– global comparisons of energy use and oil consumption
11:22 – 16:08
– U.S. energy sources, use, and purposes
– Percent of energy from renewables, fossil fuels, etc.
– dependence on fossil fuels
– energy lost
Energy Consumption History & Trends
This episode explores the history of human energy consumption and modern trends in energy consumption.
Topics covered in this video:
0:00 – 5:06:
– Introduction
– History of humans and energy sources
– sunlight and photosynthesis
– energy sources needed
– how fossil fuels changed the economy
– Bar graphs of: – total energy use by all humans by era
– energy use per person by era
– types of energy sources used over time (wood, coal, petroleum, etc.)
5:07 – 7:39
– Petroleum: description – hydrocarbons
– crude oil
– natural gas
– link between fossil fuels and climate
– combustion
7:40 – 8:41
– use of petroleum by humans over the last few millenia
– natural petroleum seeps
8:42 – 11:21
– U.S. consumption of energy sources in kWh
– global comparisons of energy use and oil consumption
11:22 – 16:08
– U.S. energy sources, use, and purposes
– Percent of energy from renewables, fossil fuels, etc.
– dependence on fossil fuels
– energy lost