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Oceans of Energy

http://oceanexplorer.noaa.gov/okeanos/edu/lessonplans/media/09oceansofenergy.pdf

NOAA Ocean Explorer

This lesson focuses on the importance of ocean exploration as a way to learn how to capture, control, and distribute renewable ocean energy resources. Students begin by identifying ways the ocean can generate energy and then research one ocean energy source using the Internet. Finally, students build a Micro-Hydro Electric Generator.

Activity takes four to five 45-minute lesson periods. Additional materials needed.

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Learn more about Teaching Climate Literacy and Energy Awareness»

Energy Literacy

Energy is neither created nor destroyed.
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1.3 Energy is neither created nor destroyed.
Energy is a physical quantity that follows precise natural laws.
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Energy is a physical quantity.
Humans transfer and transform energy from the environment into forms useful for human endeavors.
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4.1 Humans transfer and transform energy.
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Various sources of energy are used to power human activities .
Water plays a major role in the storage and transfer of energy in the Earth system.
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2.4 Water stores and transfers energy.
Physical processes on Earth are the result of energy flow through the Earth system.
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Physical processes on Earth are the result of energy flow .

Excellence in Environmental Education Guidelines

1. Questioning, Analysis and Interpretation Skills:B) Designing investigations
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B) Designing investigations.
1. Questioning, Analysis and Interpretation Skills:C) Collecting information
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C) Collecting information.
2. Knowledge of Environmental Processes and Systems:2.1 The Earth as a Physical System:C) Energy
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C) Energy.
2. Knowledge of Environmental Processes and Systems:2.4 Environment and Society:C) Resources
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C) Resources.
2. Knowledge of Environmental Processes and Systems:2.4 Environment and Society:D) Technology
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D) Technology.

Benchmarks for Science Literacy
Learn more about the Benchmarks

Energy from the sun (and the wind and water energy derived from it) is available indefinitely. Because the transfer of energy from these resources is weak and variable, systems are needed to collect and concentrate the energy.
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Industry, transportation, urban development, agriculture, and most other human activities are closely tied to the amount and kind of energy available. People in different parts of the world have different amounts and kinds of energy resources to use and use them for different purposes.
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Educators should prepare many of the components of the micro-hydro electric generator in advance.
  • However, it is important that the students do the final assembly themselves to solidify their understanding.

About the Science

  • The quality of the science in this resource is a function of the quality of the web sources used by the students to answer the questions on the Ocean Energy Inquiry Guide.
  • Student understanding of the science process will depend on how the educator presents the background on the exploration mission of the NOAA ship Okeanos Explorer.
  • Significant background information as well as additional resources provided.
  • Comments from expert scientist: It explains the difference between different forms of energy and discusses how not all of the energy contained in the ocean can be harnessed by humans.
  • The lesson outlines all of the major forms of ocean related energy that could be used by humans.
  • It clearly describes the different forms of energy, and how the different harnessing technologies work.

About the Pedagogy

  • Aside from a conventional guided-inquiry component, the activity also includes the construction of a micro-hydro electric generator.
  • While there are 32 steps in this construction, this element of the lesson provides a strong grounding in how electricity is generated from a primary source of energy. This is useful for both terrestrial and ocean energy sources.
  • Teachers guide is organized, complete, and contains helpful suggestions. Significant time will be required by the teacher to prepare materials for the the micro-hydro electric generator.
  • Students will likely be engaged by this activity because it addresses a topic rarely covered in science classes and involves hands-on building.
  • Activities move between class discussion, background reading, group and independent learning, and final presentations.

Technical Details/Ease of Use

  • All the primary links work as of April 5, 2011.
  • This is a good introductory lesson to renewable energy with a focus on oceanic sources.
  • Costs: materials for micro-hydro electric generator.
  • The construction of all the components of the micro-hydro generator is likely too difficult for middle schoolers.
  • The preparation time is very extensive, and it would be helpful to create a micro-hydro electric generator as a model.
  • This is classic project-based learning and may be applicable as a unit of instruction.

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