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:
"The future of renewable energy has never looked greener Amid a changing climate and dwindling fossil fuel resources renewable energy technology is quickly gaining traction But one big obstacle is the uncertainty in renewable energy production While rechargeable lithium-ion batteries could help cushion swings in wind and solar their metallic components tend to be expensive and time-consuming to produce and pose a big electronic waste problem For that reason, researchers are turning toward more eco-friendly materials for batteries So-called organic electrodes are highly stable, easy to process, and energy-dense Like their inorganic counterparts, they shuttle lithium ions into and out of their chemical structure to deliver power And because they are largely carbon-based, they’re naturally abundant and even recyclable Scaling up the production of these materials remains an issue But already they point to a much greener future for renewable energy Oubaha et al..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
In this activity, students examine a photo and map of Manhattan, New …
In this activity, students examine a photo and map of Manhattan, New York, to determine the date the photo was taken. The activity provides opportunities for discussing seasons, equinoxes, and the apparent position of the Sun throughout the year. Links to additional information are embedded in the text.
This video segment adapted from NOVA features the youngest rock formations in …
This video segment adapted from NOVA features the youngest rock formations in the Grand Canyon, lava dams, and how they are subject to the eroding power of water.
In this activity, students work in groups to create a presentation that …
In this activity, students work in groups to create a presentation that illustrates the meaning of the statement "To make an apple pie from scratch you must first invent the universe." Students pick an element that can be found in apple pie and trace its evolutionary history back to the birth of the universe itself. They also share their vision of the environment in which that element may find itself 5 or so billion years from now after the Earth is long gone. Presentations are intended to demonstrate student understanding of the origins and life cycle of matter, so this activity is appropriate as a conclusion to a unit. This activity is part of the "What is Your Cosmic Connection to the Elements" information and activity booklet. The booklet includes teacher notes, grading guide and student handouts.
Students are given major-element, whole-rock chemical analyses from ten samples of lava …
Students are given major-element, whole-rock chemical analyses from ten samples of lava from the 1868 eruption of Mauna Loa. They do not know sequence of eruption, only that the lavas came from the same volcano. Students are asked to evaluate the hypothesis that the observed chemical variation is due to the fractional crystallization of olivine. The hypothesis can be tested any of a number of graphs. Several examples are given in the accompanying Excel workbook.
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This is a lesson about visual spectra. Learners will explore different ways …
This is a lesson about visual spectra. Learners will explore different ways of displaying visual spectra, including colored "barcode" spectra, like those produced by a diffraction grating, and line plots displaying intensity versus color, or wavelength. Students learn that a diffraction grating acts like a prism, bending light into its component colors. The activity is part of Project Spectra, a science and engineering program for middle-high school students, focusing on how light is used to explore the Solar System.
In this video segment from NOVA scienceNOW, learn about the effects of …
In this video segment from NOVA scienceNOW, learn about the effects of gravity as astrophysicist Neil deGrasse Tyson falls through a virtual hole through Earth's center.
In conjunction with a synchronous presentation, this course supports middle school educators …
In conjunction with a synchronous presentation, this course supports middle school educators in developing lessons for incorporating green chemistry and sustainable design into their classroom teaching. The course explores a variety of topics and resources, providing many links to freely available curriculum and resources.
Explore how the Earth's atmosphere affects the energy balance between incoming and …
Explore how the Earth's atmosphere affects the energy balance between incoming and outgoing radiation. Using an interactive model, adjust realistic parameters such as how many clouds are present or how much carbon dioxide is in the air, and watch how these factors affect the global temperature.
In groups, students are given a scenario of a leaking underground storage …
In groups, students are given a scenario of a leaking underground storage tank. They must decide where to sample on the map while staying within budget. Students progressively collect more data and use them to make an interpretation of the direction of groundwater flow and extent of the contamination. The activity requires that students use their limited resources to solve a real-world problem.
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Students will observe and perform experiments with the elements sodium, potassium, calcium, …
Students will observe and perform experiments with the elements sodium, potassium, calcium, magnesium, sulfur and phosphorus. Conclusions will be made about trends down groups, across periods and relating to acidity/basicity of metal oxides vs. nonmetal oxides
In this activity, students will learn the location of the following categories …
In this activity, students will learn the location of the following categories on the periodic table while creating their own version including a key.Categories Included:Alkali MetalsAlkaline Earth MetalsHalogensNoble GasesMetalsNonmetalsMetalloidsTransition MetalsInner Transition MetalsThe Soft Chalk Activity includes interactive checks throughout and includes information on valence electrons and determining groups and periods for elements.
This activity is a classroom lab where students will conduct a controlled …
This activity is a classroom lab where students will conduct a controlled activity resulting in the growth of salt crystals, showing a dramatic physical change.
Many compounds crystallize rapidly from evaporating solutions, and many can be crystallized …
Many compounds crystallize rapidly from evaporating solutions, and many can be crystallized from melts. Because of this, it is possible to do simple crystallization experiments and to watch crystals grow over short times. Students can study several different compounds during one lab period. Crystal habit, growth zones, nucleation, deformation textures--students can examine many things quickly and easily.
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This activity requires students to design an experiment to determine the best …
This activity requires students to design an experiment to determine the best conditions for growing crystals. Students then are asked to conclude what the ideal conditions may be, how this information is useful, and who may want to know it. It is a great way to continue using scientific process skills within a Geology unit.
How can we manufacture environmentally friendly fuels using renewable sources? In this …
How can we manufacture environmentally friendly fuels using renewable sources? In this lesson, students will explore the process used to produce biodiesel from soybeans and test the efficiency of their fuel.
In this activity students work in groups to investigate the problem of …
In this activity students work in groups to investigate the problem of Gulf of Mexico hypoxia before developing mitigation strategies based on local contriubtions to the problem. The students present their ideas in a public meeting debate format from which a solution must be selected by the entire class.
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Students use gumdrops and toothpicks to make lithium atom models. Using these …
Students use gumdrops and toothpicks to make lithium atom models. Using these models, they investigate the makeup of atoms, including their relative size. Students are then asked to form molecules out of atoms, much in the same way they constructed atoms out of the particles that atoms are made of. Students also practice adding and subtracting electrons from an atom and determining the overall charges on atoms.
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