Teaching market structures in a microeconomics class? These slides present graphs related to perfect competition, the market structure in which there are many buyers and sellers of an identical product and there are no barriers to enter or exit the market. The slides illustrate firms' short-run decisions.

Claude Shannon's idea of perfect secrecy: no amount of computational power can help improve your ability to break the one-time pad. Created by Brit Cruise.

Explore how 2D curves can be added together to create more detailed patterns.

This lesson is focused on the short-term cycling of carbon and is designed to put the processes of photosynthesis and respiration within a global perspective.

In this Investigation, students will work toward independent experimentation in the context of cellular respiration and photosynthesis through use of a series of physical labs and either CO2 sensors or a semi-quantitative leaf disk protocol. Students will explore changes in CO2 concentration in the context of spinach leaves in light and dark conditions then develop an independent experiment in groups or as a class to reason through timing of cellular respiration and photosynthesis. The scaffolding for experimentation is less than in previous Investigations, leaning on what students have already experienced in the lactase and osmosis experiments.

Students learn about the basic principles of electromicrobiology—the study of microorganisms’ electrical properties—and the potential that these microorganisms may have as a next-generation source of sustainable energy. They are introduced to one such promising source: microbial fuel cells (MFCs). Using the metabolisms of microbes to generate electrical current, MFCs can harvest bioelectricity, or energy, from the processes of photosynthesis and cellular respiration. Students learn about the basics of MFCs and how they function as well as the chemical processes of photosynthesis and cellular respiration

Students learn about opportunity cost, saving, savings goals and a savings plan by reading The Pickle Patch Bathtub. Students will develop savings plans that lead to their own savings goals.

Piedras de Alta Tecnología. El Centro de Extensión y Educación en Ciencias Naturales colabora con la facultad de CSU, los Parques Nacionales y los programas de ciencia ciudadana para traducir su investigación científica actual en experiencias STEM únicas para los estudiantes en forma de kits educativos que se pueden prestar. Cada kit contiene casi todos los materiales necesarios (menos cosas comunes como agua y toallas de papel) para explorar algunos temas de investigación científica realmente interesantes. enviando un formulario de recogida local o un formulario de entrega disponible en el sitio web vinculado. Utilice la información de contacto en la página de descripción general del kit STEM para obtener más información. https://www.cns-eoc.colostate.edu/stem-kits/ Este kit se proporciona de forma gratuita para uso educativo.

The Piggy Bank Primer: Budget and Saving e-book for 7 through 9 year olds uses a story, activities, and puzzles to introduce basic economic concepts saving, savings plan, spending, costs, benefits, goods, services, and opportunity cost.

Through a story and activities, the student book introduces students to economic concepts such as saving, spending, budgeting, wants, goods, services and opportunity cost.

Students take a close look at nickels and quarters commemorating many of the proudest moments in our country and in the seven states that make up the Federal Reserve's Eighth District. 25 Cents Worth of History is the second student activity book in "The Piggy Bank Primer" series. Young fans of Pig E. Bank will enjoy this new activity book, designed for students ages 8-10 who take a close look at nickels and quarters commemorating many of the proudest moments in our country and in the seven states that make up the Eighth District of the Federal Reserve. Other topics include the Federal Reserve, the U.S. Mint and the history and resources of Eighth District states. Activities include: designing a state coin, matching the "fun facts" with the correct state, locating Fed branch cities on a map and determining which states are endowed with particular natural resources. You'll learn something fun and interesting with each turn of a page.

Piscinas Anquialinas Equipo STEM. Este equipo proporciona recursos para socios del Parque Histórico Nacional Kaloko-Honokōhau en Hawái. El equipo incluye referencias al idioma nativo hawaiano y la ecología con una entrevista con el tío Fred Cachola, un ambientalista local. El Centro de Extensión y Educación en Ciencias Naturales colabora con la facultad de CSU, los Parques Nacionales y los programas de ciencia ciudadana para traducir su investigación científica actual en experiencias STEM únicas para los estudiantes en forma de kits educativos que se pueden prestar. Cada kit contiene casi todos los materiales necesarios (menos cosas comunes como agua y toallas de papel) para explorar algunos temas de investigación científica realmente interesantes. enviando un formulario de recogida local o un formulario de entrega disponible en el sitio web vinculado. Utilice la información de contacto en la página de descripción general del kit STEM para obtener más información. https://www.cns-eoc.colostate.edu/stem-kits/ Este kit se proporciona de forma gratuita para uso educativo.

This resource gives information about our solar system which is made up of the sun, planets and all the amazing objects that travel around it. Information about the plant sizes, distances in the solar system and the size and shape of orbits is also explained. The universe is filled with billions of star systems. And the star system we are most familiar with is our own.

Plankton to Plastic Pollution STEM Kit. The Natural Sciences Education & Outreach Center collaborates with CSU faculty, National Parks and citizen science programs to translate their current scientific research into unique STEM experiences for students in the form of Educational Kits that can be checked out. Each kit contains just about all of the materials needed (minus common things like water and paper towels) to explore some really interesting scientific research topics. The kits are available for teachers and informal educators in Colorado to check out for a duration of a week by submitting either a local pickup form or a delivery form available at the linked website. Please use the contact information on the STEM Kit overview page to learn more. https://www.cns-eoc.colostate.edu/stem-kits/ This kit is provided free for educational use. This resource is also available in Spanish in the linked file.

Pamela explains "pseudo-code", a way to plan out your program before you code it.

Students see the effects that poor soil, excess/insufficient water, and insufficient light have on a plant’s ability to survive. Students make the connection between caring for crops, successful production, and the role of stewardship in Wyoming’s agriculture.

Students are introduced to the growing worldwide environmental problems that stem from plastic waste. What they learn about microplastics and the typical components of the U.S. water treatment process prepares them to conduct three engaging associated activities. During the lesson, students become more aware of the pervasiveness and value of plastic as well as the downstream pollution and health dangers. They learn how plastic materials don’t go away, but become microplastic pollution that accumulates in water resources as well as human and other animal bodies. They examine their own plastic use, focusing on what they discard daily, and think about better ways to produce or package those items to eliminate or reduce their likelihood of ending up as microplastic pollution. A concluding writing assignment reveals their depth of comprehension. The lesson is enhanced by arranging for a local water treatment plant representative to visit the class for Qs and As. In three associated activities, students design/test microplastic particle filtering methods for commercial products, create mini wastewater treatment plant working models that remove waste and reclaim resources from simulated wastewater, and design experiments to identify the impact of microplastics on micro-invertebrates.

The Plate Tectonics module "What will Earth look like in 500 million years?" helps students build a systems view of plate tectonics through focused case studies and interactions with the Seismic Explorer and Tectonic Explorer models. As students explore data about plate boundaries on Earth today, they make connections to what happened in Earth's past. Finally, they use their understanding of how Earth's plate system exists today to make predictions about what Earth may look like in 500 million years.