NOVA scienceNOW, WGBH Educational Foundation, Teachers' Domain
Video length: 3:55 minutes.Learn more about Teaching Climate Literacy and Energy Awareness»
See how this Video supports the Next Generation Science Standards»
Middle School: 3 Disciplinary Core Ideas, 2 Cross Cutting Concepts
High School: 8 Disciplinary Core Ideas, 2 Cross Cutting Concepts
About Teaching Climate Literacy
Other materials addressing GPg
4.1 Humans transfer and transform energy.
4.5 Electricity generation.
5.4 Economic factors.
5.6 Environmental factors.
Notes From Our Reviewers
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Teaching Tips | Science | Pedagogy |
- Perhaps students could assess how many of these kinds of homes are in their community.
About the Science
- This animation illustrates the process within solar panels that transforms sunlight into electricity. Then Phil Reavis, Jr. explains his interest in solar energy and the environment, and how his family was able to install solar panels on the roof of their house to produce electricity. In addition, the custom-designed home of Bill and Debbie Lord is discussed, which uses both solar electricity panels and solar hot water panels.
- Comments from expert scientist: Attempts to explain net metering, mentions difference between solar thermal and solar PV panels.
About the Pedagogy
- A background essay, discussion questions, and a link to standards are provided.
- The animation helps students visualize how solar panels work. The animation shows how photons and electrons work within panels, and how that feeds electricity to a house.
Technical Details/Ease of Use
- Allow enough time for video to buffer if viewing online.
- Has closed-captioned text.
Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEANSee this related animation about solar panels: http://www.pbs.org/wgbh/nova/tech/how-solar-cell-works.html
Next Generation Science Standards See how this Video supports:
Disciplinary Core Ideas: 3
MS-ESS3.A1:Humans depend on Earth’s land, ocean, atmosphere, and biosphere for many different resources. Minerals, fresh water, and biosphere resources are limited, and many are not renewable or replaceable over human lifetimes. These resources are distributed unevenly around the planet as a result of past geologic processes.
MS-PS3.A4:The term “heat” as used in everyday language refers both to thermal energy (the motion of atoms or molecules within a substance) and the transfer of that thermal energy from one object to another. In science, heat is used only for this second meaning; it refers to the energy transferred due to the temperature difference between two objects.
MS-PS3.A5:The temperature of a system is proportional to the average internal kinetic energy and potential energy per atom or molecule (whichever is the appropriate building block for the system’s material). The details of that relationship depend on the type of atom or molecule and the interactions among the atoms in the material. Temperature is not a direct measure of a system's total thermal energy. The total thermal energy (sometimes called the total internal energy) of a system depends jointly on the temperature, the total number of atoms in the system, and the state of the material.
Disciplinary Core Ideas: 8
HS-ESS3.A1:Resource availability has guided the development of human society.
HS-ESS3.A2:All forms of energy production and other resource extraction have associated economic, social, environmental, and geopolitical costs and risks as well as benefits. New technologies and social regulations can change the balance of these factors.
HS-PS3.A2:At the macroscopic scale, energy manifests itself in multiple ways, such as in motion, sound, light, and thermal energy.
HS-PS3.B2:Energy cannot be created or destroyed, but it can be transported from one place to another and transferred between systems
HS-PS3.D1:Although energy cannot be destroyed, it can be converted to less useful forms—for example, to thermal energy in the surrounding environment.
HS-PS3.D3:Solar cells are human-made devices that likewise capture the sun’s energy and produce electrical energy.
HS-PS4.B1:Electromagnetic radiation (e.g., radio, microwaves, light) can be modeled as a wave of changing electric and magnetic fields or as particles called photons. The wave model is useful for explaining many features of electromagnetic radiation, and the particle model explains other features.
HS-PS4.B3:Photoelectric materials emit electrons when they absorb light of a high-enough frequency
Cross Cutting Concepts: 2
HS-C5.2:Changes of energy and matter in a system can be described in terms of energy and matter flows into, out of, and within that system.
HS-C5.3:Energy cannot be created or destroyed—only moves between one place and another place, between objects and/or fields, or between systems.