This module provides an overview of the biogeochemical carbon cycle. Major sources …
This module provides an overview of the biogeochemical carbon cycle. Major sources and sinks of carbon are discussed as well as the impact of human activities on global carbon levels.
In this experiment, students investigate the importance of carbon dioxide to the …
In this experiment, students investigate the importance of carbon dioxide to the reproductive growth of a marine microalga, Dunalliela sp. (Note that the directions are for teachers and that students protocol sheets will need to be created by teachers.)
Interactive visualization that provides a basic overview of the Earth's carbon reservoirs …
Interactive visualization that provides a basic overview of the Earth's carbon reservoirs and amount of carbon stored in each, CO2 transport among atmosphere, hydrosphere, geosphere, and biosphere, and a graph comparing global temp (deg C) and atmospheric CO2 levels (ppm) over the past 1000 years.
Spreadsheets Across the Curriculum module. Students use allometric relationships to calculate tree …
Spreadsheets Across the Curriculum module. Students use allometric relationships to calculate tree mass from trunk diameter in a stand of trees in the Pacific Northwest.
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In this assignment, students in small groups are asked to interpret and …
In this assignment, students in small groups are asked to interpret and explain a figure depicting one aspect of marine carbon biogeochemistry. Then a representative of each group explains the figure to the class.
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In this 3-part lab activity, students investigate how carbon moves through the …
In this 3-part lab activity, students investigate how carbon moves through the global carbon cycle and study the effects of specific feedback loops on the carbon cycle.
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"For decades they’ve taken a backseat to their mineral counterparts. But today, organic materials are booming—not least of all for their applications in lithium-ion batteries. A new review article published in the journal ChemPlusChem discusses how one class of organics in particular is poised to yield high performance from a tiny but versatile package: carbonyl-based π-conjugated compounds. Like other organic materials, carbonyl-based π-conjugated materials present a unique and much-needed solution to the global energy crisis. Flexible, light, and naturally abundant, these compounds offer the prospect of nimble energy-storage systems with energy and power densities comparable to inorganic systems. What sets carbonyl-based π-conjugated materials apart from other organics is highly tunable electrochemical performance stemming from a versatile starting structure. The redox mechanism of carbonyls proceeds by a reversible one-electron reduction to form a radical mono-anion and the reverse reaction..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
Esters have a wide range of uses, from giving perfumes and colognes …
Esters have a wide range of uses, from giving perfumes and colognes their fragrances, to preventing diseases like scurvy. Vitamin C, that scurvy preventing antioxidant, is derived from carboxylic acids, a class of organic compounds we’ve already learned a lot about! In this episode of Crash Course Organic Chemistry, we’ll look at four different carboxylic acid derivatives and their reactivities, react them with nucleophiles, and learn some hydrolysis reaction mechanisms that we can use in our synthesis of penicillin!
We get it, learning so many different organic reactions is probably giving …
We get it, learning so many different organic reactions is probably giving you a headache, but hopefully this episode can help! We’re getting even deeper into carboxylic acid derivatives, some of which are used in common headache relieving painkillers. In this episode of Crash Course Organic Chemistry, we’ll learn how to convert more reactive carboxylic acid derivatives into less reactive ones, turn carboxylic acids into acid chlorides, reduce carboxylic acid derivatives using metal hydrides, and more! Plus, we’ll get to add the first stage of synthesizing Penicillin V to our Mold Medicine Map!
What do the smells of feet, armpits, vomit, and goats all have …
What do the smells of feet, armpits, vomit, and goats all have in common? (Besides being super gross…) Carboxylic acids! Despite being responsible for some of our least favorite odors, carboxylic acids are also super useful in organic chemistry. In this episode of Crash Course Organic Chemistry, we’ll review carboxylic acid synthesis and nomenclature, react carboxylic acids to form salts, esters, and acid chlorides, and start our journey towards synthesizing one of the most important organic chemicals in medicine, penicillin!
The Careers in Green Chemistry and Sustainable Design video series highlight professionals …
The Careers in Green Chemistry and Sustainable Design video series highlight professionals in Washington whose careers impact products or chemicals used in Washington. Each of these videos highlight a career that connects to green chemistry and sustainable design. In each video, the professionals share their reflections in response to a series of interview questions. The videos are five to ten minutes long. They are designed to be used with secondary students. It includes an activity guide to support teachers with using the video series with students.
This resource provides a list of videos and other resources that can …
This resource provides a list of videos and other resources that can be used in career exploration with secondary students. Resources highlight careers that make use of green chemistry and sustainable design principles. The list includes several Washington career opportunities.
Working in teams of three, students perform quantitative observational experiments on the …
Working in teams of three, students perform quantitative observational experiments on the motion of LEGO MINDSTORMS(TM) NXT robotic vehicles powered by the stored potential energy of rubber bands. They experiment with different vehicle modifications (such as wheel type, payload, rubber band type and lubrication) and monitor the effects on vehicle performance. The main point of the activity, however, is for students to understand that through the manipulation of mechanics, a rubber band can be used in a rather non-traditional configuration to power a vehicle. In addition, this activity reinforces the idea that elastic energy can be stored as potential energy.
This publication was produced as a teaching tool for college chemistry.The book …
This publication was produced as a teaching tool for college chemistry.The book is a text for a computer-based unit on the chemistry of acid-base titrations, and is designed for use with FORTRAN or BASIC.computer systems, and with a programmable electronic calculator, in a variety of educational settings. The text attempts to present computer programs that are relatively free of reliance on specialized large computer systems programs. The case-study approach presented is highly research and laboratory oriented. Similar subject matter is conventionally taught in most introductory college chemistry courses, but this text material attempts greater depth of instruction through utilization of the computational resources of a computer.
A case-study approach can be used to introduce students to the work …
A case-study approach can be used to introduce students to the work that geologists do as environmental consultants. Data used by environmental consultants for a Brownfield site that is currently undergoing redevelopment in St. Paul, MN has been adapted for in-class study, either as a series of short exercises, or as part of a larger project.
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Students will explore the periodic table by using clues from Mendeleev to …
Students will explore the periodic table by using clues from Mendeleev to decipher which element each room is made of. A basic understanding of the periodic table is needed including atomic number, atomic weight, periods, rows, and groups. An embedded periodic table is included to help students solve the riddles. The element's symbol is the password that unlocks each of the 12 rooms.
There are two types of catalysis reactions: homogeneous and heterogeneous. In a …
There are two types of catalysis reactions: homogeneous and heterogeneous. In a homogeneous reaction, the catalyst is in the same phase as the reactants. In a heterogeneous reaction, the catalyst is in a different phase from the reactants. This activity addresses homogeneous catalysis.
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