This video features scientists in New Zealand's Southern Alps, examining samples from the rocky landscape once dominated by glaciers. Their research, combined with other climate records, has revealed a link between glacial retreat and rising levels of carbon dioxide in the air.

Sieve of Eratosthenes allows us to generate a list of primes. Created by Brit Cruise.

In this lesson, students learn about human resources, productivity, human capital, and physical capital. They participate in three rounds of a reasoning activity. From round to round they receive training and tools to help them improve their reasoning ability and thus increase their productivity. Students will then listen to a story about how the Empire State Building was built and identify examples of key concepts mentioned or shown in the book.

The familiar magnetic stripe credit cards used for decades in the United States are being phased out. Read about the new smart-chip credit cards, designed to reduce fraud and improve security, in the March 2016 issue of Page One Economics: Focus on Finance.

Spending patterns change over time because of changes in income, education, the structure of our families, and technology. The April 2018 issue of Page One Economics: Focus on Finance addresses how phone technology has changed our lives and our budgets.

The life cycle model shows that saving for the future requires people to limit consumption during their working years and save so they will have a "nest egg" to draw on during retirement. Recent changes in how people save for retirement have shifted some responsibility from firms to individuals. Read more in the November 2014 issue.

tudents learn about scarcity, alternatives, choices and opportunity costs by reading So Few of Me. The class participates in an activity to help Perdita figure out her morning schedule at summer camp. The students identify Perdita's alternatives, choose activities for her and identify the opportunity costs of those choices. Then, students work in groups to make choices and identify opportunity costs for Juan's after-school schedule.

The first lesson page of a larger website with Creative Commons-licensed materials for the beginning student. This might particularly be useful to the classroom teacher looking for a quick start and free resources to support a unit and lesson plans for adding an instrumental performance activity to a general music classroom.

Learn prepositions (on, under, next to, over and around) by singing a mariachi song with Sofia and Mr. Parrot!

Viewers sing and dance along with Sofia as she learns prepositions demonstrated by Mr. Parrot being on the sombrero, under the sombrero, next to the sombrero, over the sombrero, and around the sombrero.

Learning Objective:
Understand and use the following parts of speech in the context of reading, writing, and speaking (with adult assistance): prepositions and simple prepositional phrases appropriately when speaking or writing (e.g., in, on, under, over).

What skills do you need to develop for future success? Academics for sure, but soft skills are also important. Learn more about soft skills, the labor force, and unemployment in the May 2016 issue of Page One Economics: Focus on Finance.

¡Aprende las preposiciones (sobre, debajo, al lado, arriba y alrededor) mientras cantas rancheras con Sofía y Sr. Perico!

Los espectadores cantan y bailan junto con Sofía mientras aprenden las preposiciones demostradas po Sr. Perico: sobre el sombrero, debajo del sombrero, al lado del sombrero, arriba del sombrero y alrededor del sombrero.

Objetivo de Aprendizaje:
Entender y usar las siguientes partes del habla en el contexto de leer, escribir y hablar (con ayuda de un adulto): preposiciones y frases preposicionales simples de manera apropiada al hablar o escribir (por ejemplo: en, sobre, debajo, arriba).

Soil Carbon 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. https://www.youtube.com/watch?v=AVNHtSSSa8c This kit is provided free for educational use. This kit is available in Spanish also at the link provided. .

This lesson activity has students conduct an experiment that reinforces one component of the water cycle.

In this lesson, students read the story of Sojourner Truth and discuss events that took place during her lifetime. Among these were the abolition of slavery and the effects of policies pertaining to abolition. Students will determine the costs, benefits, and unintended consequences of policies, beginning with an analysis of costs, benefits, and unintended consequences of a policy that would allow them to take two years off of school before advancing to middle school. They will analyze the effects of policies noted in the book and continue the analysis by examining government policies.

Solar Cars 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. This kit is provided free for educational use. This Kit is available in Spanish.

Students learn how the innovative engineering of photovoltaics enables us to transform the sun’s energy into usable power—electricity—through the use of photovoltaic cells. Watching a short video clip from “The Martian” movie shows the importance of photovoltaics in powering space exploration at extreme distances from the Earth. Then students learn that the photovoltaic technologies designed to excel in the harsh environment of space have the potential to be just as beneficial on Earth—providing electricity-generating systems based on renewable energy sources is important for our electricity-gobbling society. Two student journaling sheets assist with vocabulary and concepts.

In this lesson, students learn about the act of saving and how the accumulation of money saved is termed savings. They are read a story about a family that saves and how savings can be used to make a large purchase the family would not ordinarily be able to make. They recognize that there is an opportunity cost to saving, as well as an opportunity cost to spending.

Students make a choice between a cookie and an ice cream cone and state the opportunity cost of their decisions. They then listen to the story Something from Nothing and identify all the items Grandpa makes his grandson Joseph, beginning with a blanket. Using a sheet of paper that represents Joseph's blanket, students cut out the various items Grandpa made and identify the opportunity cost for each item they cut out.