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AC / DC: What's the Difference?
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This animated essay from the American Experience Web site explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator. Grades 6-12.

Subject:
Chemistry
Engineering
Physics
Material Type:
Activity/Lab
Interactive
Provider:
PBS LearningMedia
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
01/22/2004
Above the Clouds: Telescopes on Mauna Kea
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This video segment adapted from First Light explains why the highest peak in the Pacific, Mauna Kea, is an ideal site for astronomical observations. Featured are new telescope technologies that allow astronomers to explore the universe in more depth.

Subject:
Chemistry
Earth and Space Science
Physics
Material Type:
Activity/Lab
Diagram/Illustration
Provider:
PBS LearningMedia
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
12/17/2005
Accidental Discoveries
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This segment from Swift: Eyes through Time traces the history military officers and engineers discovering a strange phenomenon in the sky that astronomers now know are gamma-ray bursts.

Subject:
Chemistry
Earth and Space Science
Physics
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
WPSU
Author:
NASA
PA Space Grant
WPSU
Date Added:
11/30/2007
Accuracy and Precision Lab With Measurement and Density
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CC BY-NC-SA
Rating

In this lab exercise, students practice correctly using measurement tools, recording data, calculating density, using significant figures, and exploring the concepts of accuracy and precision.

Subject:
Mathematics
Chemistry
Physics
Material Type:
Activity/Lab
Assessment
Lesson Plan
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Chris Lenius
Date Added:
02/24/2021
Acid Attack
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In this activity, students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also learn several things that engineers are doing to reduce the effects of acid rain.

Subject:
Chemistry
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Janet Yowell
Jessica Todd
Malinda Schaefer Zarske
Melissa Straten
Date Added:
10/14/2015
Acid-Base Titration of an Eggshell
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CC BY-NC-SA
Rating

This activity is acid-base titration lab where students determine the percent of calcium carbonate in an eggshell.

Subject:
Chemistry
Life Science
Material Type:
Activity/Lab
Assessment
Lesson Plan
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Jeff Ehmke
Date Added:
02/24/2021
Acids and Bases: Making a Film Canister Rocket
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In this video segment adapted from ZOOM, two cast members demonstrate what happens when vinegar is added to baking soda inside a container. The resulting chemical reaction produces enough carbon dioxide to launch their paper rocket skyward.
Recommended for: Grades K-5

Subject:
Chemistry
Physics
Material Type:
Activity/Lab
Provider:
PBS LearningMedia
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
02/20/2004
Acids and Bases: Testing Rocket Cars
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Educational Use
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A car propelled by the reaction between lemon juice and baking soda has more in common with rockets and jet aircraft than one might think. In this video segment adapted from ZOOM, two cast members demonstrate the power of rocket-propelled vehicles and how to exploit the force produced by the carbon dioxide gas. Grades 3-8.

Subject:
Chemistry
Physics
Material Type:
Activity/Lab
Provider:
PBS LearningMedia
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
02/20/2004
Acids and Bases: Testing Rockets
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Educational Use
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It would seem that bottles of lemon juice and rockets have only their basic shape in common. However, as two cast members from ZOOM demonstrate in this adapted video segment, when baking soda is added to the mix, a plastic bottle can act very much like a real rocket. Grades 3-8.

Subject:
Chemistry
Physics
Material Type:
Activity/Lab
Provider:
PBS LearningMedia
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
02/20/2004
Acids and bases
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CC BY-NC-SA
Rating

In this section we will be talking about the basics of acids and bases and how acid-base chemistry is related to chemical equilibrium. We will cover acid and base definitions, pH, acid-base equilibria, acid-base properties of salts, and the pH of salt solutions.

Subject:
Chemistry
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Date Added:
11/17/2020
Aerogels in Action
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Students experiment with a new material—aerogel. Aerogel is a synthetic (human-made) porous ultra-light (low-density) material, in which the liquid component of a gel is replaced with a gas. In this activity, student pairs use aerogel to simulate the environmental engineering application of cleaning up oil spills. In a simple and fun way, this activity incorporates density calculations, the material effects of surface area, and hydrophobic and hydrophilic properties.

Subject:
Chemistry
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Claudia K. Gunsch
Desiree L. Plata
Lauren K. Redfern
Osman Karatüm
Date Added:
10/14/2015
Aging Diamonds?
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In this video from Nature, geological detectives use ancient diamonds to learn more about Earth's inner layers.

Subject:
Chemistry
Material Type:
Lecture
Provider:
PBS LearningMedia
Author:
Canon
Corporation for Public Broadcasting
SC Johnson
WNET
Date Added:
11/11/2008
Air Power: Making a Hovercraft
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Educational Use
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In this video segment adapted from ZOOM, cast members make their own hovercraft and demonstrate how the air leaking out of a balloon can make a plastic plate hover above a table.

Subject:
Chemistry
Engineering
Physics
Material Type:
Activity/Lab
Provider:
PBS LearningMedia
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
01/22/2004
Algae: Tiny Plants with Big Energy Potential
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Students are introduced to biofuels, biological engineers, algae and how they grow (photosynthesis), and what parts of algae can be used for biofuel (biomass from oils, starches, cell wall sugars). Through this lesson, plants—and specifically algae—are presented as an energy solution. Students learn that breaking apart algal cell walls enables access to oil, starch, and cell wall sugars for biofuel production. Students compare/contrast biofuels and fossil fuels. They learn about the field of biological engineering, including what biological engineers do. A 20-slide PowerPoint® presentation is provided that supports students taking notes in the Cornell format. Short pre- and post-quizzes are provided. This lesson prepares students to conduct the associated activity in which they make and then eat edible algal cell models.

Subject:
Biology
Chemistry
Engineering
Life Science
Material Type:
Lesson
Provider:
TeachEngineering
Provider Set:
Lessons
Author:
Lauren Jabusch
Date Added:
05/16/2017
Alkanes, cycloalkanes, and functional groups
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CC BY-NC-SA
Rating

The properties of organic molecules depend on the structure, and knowing the names of organic compounds allow us to communicate with other chemists. We'll be learning about different aspects of molecular structure, including common functional groups and conformations.

Subject:
Chemistry
Material Type:
Lesson
Provider:
Khan Academy
Provider Set:
Khan Academy
Date Added:
11/17/2020
All About The Matter!!!
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Some Rights Reserved
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Students will discover and explore types of matter all around us. The lesson includes a hands-on walking field trip to allow students to explore and discover types of matter. This lesson results from a collaboration between the Alabama State Department of Education and ASTA.

Subject:
Chemistry
Material Type:
Lesson Plan
Provider:
Alabama Learning Exchange (ALEX)
Date Added:
02/10/2021