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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
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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-Base Titration of an Eggshell
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CC BY-NC-SA
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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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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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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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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
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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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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
All Things Being Equal
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This set of a teacher and student guides provides instruction on a 2-3 day series of activities about Le Chatelier’s principle, which shows the effect of changes to conditions in an equilibrium reaction. Students work in pairs or groups to develop their concepts of equilibrium and the effects of changing the amount of reactants or products on an equilibrium system. The concepts are presented and analyzed using graphical representations, qualitative lab data, and modelling. The first part addresses the misconception that equal amounts are required for equilibrium through using a mini-activity that involves the transfer of water between beakers. The second part is a lab activity where students will see how an equilibrium system reacts to a change in concentration. The third part uses manipulatives to understand how an equilibrium operates using the mathematical equilibrium constant (Ksp) at the particulate view.

Subject:
Chemistry
Material Type:
Activity/Lab
Provider:
National Science Teachers Association (NSTA)
Provider Set:
NGSS@NSTA
Date Added:
02/18/2021
Alloy Advantage
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Students define and classify alloys as mixtures, while comparing and contrasting the properties of alloys to those of pure substances. Students learn that engineers investigate the structures and properties of alloys for biomedical and transportation applications. Pre- and post-assessment handouts are provided.

Subject:
Chemistry
Physical Science
Material Type:
Lesson
Provider:
TeachEngineering
Author:
Janelle Orange
Date Added:
02/17/2021