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Demystifying Ocean Acidification and Biodiversity Impacts

Provided by: Khan Academy |Published on: April 27, 2021

Videos

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Synopsis

This video is about the effects that ocean acidification has on the ocean ecosystem and food web.
Students will learn about the causes of ocean acidification, the pH scale, the rate of change in ocean pH levels over time, and ways biodiversity is impacted by these changes.

Subjects: Chemistry, Biology, Earth and Space Sciences

Authors: Khan Academy, California Academy of Sciences

Region: Global

Languages: English

Positives

The video uses principles of chemistry to explain the connections between burning fossil fuels, ocean acidification, and decreased biodiversity in the ocean food web.
The resource includes a transcript of the video with timestamps and a read-along feature for students who need support following along.

Prerequisites

Students should have some baseline knowledge of chemical reactions.
Students should know about food webs and phytoplankton's role in the ocean food web.

Differentiation & Implementation

Students in science classes can design and simulate the experiment presented at 8:53 in the video.
Math classes can use this resource as a real-world example of data that is measured using the log scale.
This resource can be directly assigned to Google Classroom if you sign up for a free account.
Another resource related to this topic is Ocean Acidification.
A lesson on this topic is the Ocean Acidification Lesson with Lab.

Scientist Notes

Teaching Tips

Standards

Resource Type and Format

All resources can be used for your educational purposes with proper attribution to the content provider.