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Acid Test:3 Minute Science of Ocean Acidification
http://vimeo.com/8990924

National Resource Defense Council

This short video is an excerpt from the longer video Acid Test: The Global Challenge of Ocean Acidification, produced by the National Resources Defense Council (NRDC). This short version summarizes the science of ocean acidification as well as the social implications.

Video length is 3:09 min.

Learn more about Teaching Climate Literacy and Energy Awareness»

ngssSee how this Video supports the Next Generation Science Standards»
Middle School: 6 Disciplinary Core Ideas
High School: 8 Disciplinary Core Ideas

Climate Literacy
About Teaching Climate Literacy

Increased acidity of oceans and negative impacts on food chain due to increasing carbon dioxide levels
About Teaching Principle 7
Other materials addressing 7d

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

  • Would best be used in conjunction with a diagram that explains the chemical reactions behind ocean acidification since the video does not provide information about the chemistry of ocean acidification.
  • Could be used to introduce a discussion of ocean acidification.
  • Educators may wish to use the longer version of the film, available at http://www.nrdc.org/oceans/acidification/aboutthefilm.asp

About the Science

  • Video links the change in ocean chemistry to impacts on coral reefs and fish populations and to other pressures on marine environments.
  • Citations for the longer version of this video are at http://www.nrdc.org/oceans/acidification/science.asp
  • While National Resources Defense Council (NRDC) is an advocacy group, the science in the video is correct, not exaggerated, and uncertainty stated appropriately.
  • Science Expert comment: Dissolving CO2 in water does not result in a pink cloud.
  • Comments from expert scientist: This video takes a complicated topic and simplifies it so that it should be generally understandable to most people. The animation of CO2 dissolving in the ocean is nice - I know that this is a concept students of mine have struggled with. The interviews with prominent and respected researchers adds to the merit of the video.

About the Pedagogy

Technical Details/Ease of Use

  • Beautiful, high quality graphics and images.
  • Both the short and long versions of the video are on webpages with advertisements.
  • The DVD is available for free distribution within a screening kit that appears to include NRDC advocacy materials.

Next Generation Science Standards See how this Video supports:

Middle School

Disciplinary Core Ideas: 6

MS-ESS2.D1:Weather and climate are influenced by interactions involving sunlight, the ocean, the atmosphere, ice, landforms, and living things. These interactions vary with latitude, altitude, and local and regional geography, all of which can affect oceanic and atmospheric flow patterns.

MS-ESS3.D1:Human activities, such as the release of greenhouse gases from burning fossil fuels, are major factors in the current rise in Earth’s mean surface temperature (global warming). Reducing the level of climate change and reducing human vulnerability to whatever climate changes do occur depend on the understanding of climate science, engineering capabilities, and other kinds of knowledge, such as understanding of human behavior and on applying that knowledge wisely in decisions and activities.

MS-LS1.C1:Plants, algae (including phytoplankton), and many microorganisms use the energy from light to make sugars (food) from carbon dioxide from the atmosphere and water through the process of photosynthesis, which also releases oxygen. These sugars can be used immediately or stored for growth or later use.

MS-PS1.B1:Substances react chemically in characteristic ways. In a chemical process, the atoms that make up the original substances are regrouped into different molecules, and these new substances have different properties from those of the reactants.

MS-PS3.D1:The chemical reaction by which plants produce complex food molecules (sugars) requires an energy input (i.e., from sunlight) to occur. In this reaction, carbon dioxide and water combine to form carbon-based organic molecules and release oxygen.

MS-PS3.D2:Cellular respiration in plants and animals involve chemical reactions with oxygen that release stored energy. In these processes, complex molecules containing carbon react with oxygen to produce carbon dioxide and other materials.

High School

Disciplinary Core Ideas: 8

HS-ESS2.C1:The abundance of liquid water on Earth’s surface and its unique combination of physical and chemical properties are central to the planet’s dynamics. These properties include water’s exceptional capacity to absorb, store, and release large amounts of energy, transmit sunlight, expand upon freezing, dissolve and transport materials, and lower the viscosities and melting points of rocks.

HS-ESS2.D1:The foundation for Earth’s global climate systems is the electromagnetic radiation from the sun, as well as its reflection, absorption, storage, and redistribution among the atmosphere, ocean, and land systems, and this energy’s re-radiation into space.

HS-ESS2.D3:Changes in the atmosphere due to human activity have increased carbon dioxide concentrations and thus affect climate.

HS-ESS2.E1:The many dynamic and delicate feedbacks between the biosphere and other Earth systems cause a continual co-evolution of Earth’s surface and the life that exists on it.

HS-LS1.C1:The process of photosynthesis converts light energy to stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.

HS-LS1.C4:As a result of these chemical reactions, energy is transferred from one system of interacting molecules to another. Cellular respiration is a chemical process in which the bonds of food molecules and oxygen molecules are broken and new compounds are formed that can transport energy to muscles. Cellular respiration also releases the energy needed to maintain body temperature despite ongoing energy transfer to the surrounding environment.

HS-PS1.B1:Chemical processes, their rates, and whether or not energy is stored or released can be understood in terms of the collisions of molecules and the rearrangements of atoms into new molecules, with consequent changes in the sum of all bond energies in the set of molecules that are matched by changes in kinetic energy.

HS-PS3.D2:The main way that solar energy is captured and stored on Earth is through the complex chemical process known as photosynthesis.


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