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1900 Air Pollution

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1900 Air Pollution

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This article and included graphs,from the web site accompanying the FRONTLINE NOVA special What's Up with the Weather?, reveals how atmospheric carbon dioxide, methane, and nitrous oxides from coal- and oil-burning power plants, cars, and other fossil-fuel-burning sources have climbed along with the world population, with as yet unknown effects on the climate system.

Subject:: Geoscience; Physics; Space Science
Material Type:: Data Set; Diagram/Illustration; Lesson Plan
Provider:: NSDL Staff
Provider Set:: NSDL Science Refreshers
Date Added:: 12/26/2002

3D Transmographer

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3D Transmographer

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Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, revolving around any line (which yields a 3-D image), rotations about any point, and translations in any direction.

Subject:: Computing and Information; Mathematics
Material Type:: Activity/Lab; Diagram/Illustration; Game; Interactive; Lesson Plan; Simulation; Student Guide
Provider:: NSDL Staff; Shodor
Provider Set:: NSDL Math Common Core; CSERD: Computational Science Education Reference Desk
Date Added:: 10/30/2014

ABC's of Nuclear Science

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ABC's of Nuclear Science

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This page's description of the various kinds of radioactivity includes some discussion of the history of its discovery, illustrations, and hot links to related sites.

Subject:: Engineering; Education; Chemistry; Physics
Material Type:: Diagram/Illustration
Provider:: NSDL Staff
Provider Set:: NSDL Science Refreshers
Date Added:: 03/30/2007

A+ Click K-12 Math Test

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A+ Click K-12 Math Test

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A+ Click is an interactive collection of more than 3700 math problems and answers for K-1 K-12 school program. It defines the personal level of math knowledge. You move up into the next level if you give 5 correct answers in a row. Practice makes perfect.

Subject:: Mathematics; Algebra; Geometry
Material Type:: Activity/Lab; Assessment; Game; Lecture Notes
Provider:: aplusclick; NSDL Staff
Provider Set:: Individual Authors; Mathematics Gateways and Resources
Author:: Igor Kokcharov
Date Added:: 02/16/2011

ARKive: Images of Life on Earth

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ARKive: Images of Life on Earth

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ARKive is a collection of photographs, videos, and fact-files illustrating thousands of species of animals, with emphasis on the International Union for Conservation of Nature and Natural Resources (IUCN) Red List of endangered species, and on species found in Britain. For each animal there are approximately 10 minutes of video footage, 6-10 still photos, and sound recordings (where appropriate), creating a complete profile of the species' characteristic behavior and appearance. The images are accompanied by a page of facts, including taxonomy, a physical description, conservation status, geographic range, habitat, and other information. There are also links to other animals with related taxonomic families, habitats, or conservation status.

Subject:: Education; Life Science; Ecology; Forestry and Agriculture; Geoscience
Material Type:: Diagram/Illustration
Provider:: Internet Scout Project; NSDL Staff
Provider Set:: Internet Scout Project; Biological Sciences Gateways and Resources
Date Added:: 10/21/2014

Abiotic and Biotic Factors

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Abiotic and Biotic Factors

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This two-day lesson helps students understand abiotic and biotic factors. Once the concept has been grasped, they can trace the interactions of these factors within a system.

Subject:: Life Science; Ecology; Forestry and Agriculture; Geoscience
Material Type:: Activity/Lab
Provider:: NSDL Staff
Provider Set:: Key Concepts in Biology
Author:: Richmond, Mary Janice
Date Added:: 10/06/1999

The Academy of Natural Sciences: Educational Programs

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The Academy of Natural Sciences: Educational Programs

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Includes information about the Academy of Natural Sciences educational programs: teacher resources, information for planning field trips to the museum and women in the natural sciences.

Subject:: History, Law, Politics; Life Science; Geoscience
Material Type:: Activity/Lab; Lesson Plan; Student Guide
Provider:: NSDL Staff
Provider Set:: Biological Sciences Gateways and Resources
Date Added:: 10/21/2014

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Acceleration

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This page is from a comprehensive and comprehensible tutorial in physics. Schematic drawings, questions for understanding with the answerers, and links to animations are included.

Subject:: Mathematics; Chemistry; Physics
Material Type:: Diagram/Illustration
Provider:: NSDL Staff
Provider Set:: NSDL Science Refreshers
Date Added:: 11/06/2010

Acids in Proteins

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Acids in Proteins

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This lesson describes how amino acids build proteins in a person's body. Amino acids are the chemical building blocks for the structure of an organism. A link to a quiz is provided at the end of the lesson to check comprehension.

Subject:: Life Science
Material Type:: Lesson Plan
Provider:: NSDL Staff
Provider Set:: Key Concepts in Biology
Date Added:: 06/19/2012

Adjustable Spinner

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Adjustable Spinner

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This activity allows the user to explore experimental and theoretical probabilities by adding and removing sections of a circle. This is an interactive Java-based activity with suggested lessons and exploration questions.

Subject:: Computing and Information; Mathematics
Material Type:: Activity/Lab; Interactive; Lesson Plan; Simulation; Student Guide
Provider:: NSDL Staff; Shodor
Provider Set:: NSDL Math Common Core; CSERD: Computational Science Education Reference Desk
Date Added:: 07/12/2014

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Advanced Fire

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Run a simulation of how a fire spreads through a stand of trees, learning about probability and chaos. Track the results of multiple burns and use the data to draw conclusions.

Subject:: Computing and Information; Mathematics; Geoscience; Space Science
Material Type:: Activity/Lab; Interactive; Lesson Plan; Student Guide
Provider:: NSDL Staff; Shodor
Provider Set:: NSDL Math Common Core; CSERD: Computational Science Education Reference Desk
Date Added:: 10/30/2014

Advanced Monty Hall

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Advanced Monty Hall

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Choose one of N doors to experimentally determine the odds of winning the grand prize behind one of the doors, as in the TV program "Let's Make a Deal." Parameters: Number of doors, number of trials, staying or switching between the two remaining doors.

Subject:: Computing and Information; Mathematics
Material Type:: Activity/Lab; Game; Interactive; Lesson Plan; Simulation; Student Guide
Provider:: NSDL Staff; Shodor
Provider Set:: NSDL Math Common Core; CSERD: Computational Science Education Reference Desk
Date Added:: 10/30/2014

Agriculture in the Classroom

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Agriculture in the Classroom

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Agriculture in the Classroom (AITC) is a program supported by the United States Department of Agriculture to promote increased agricultural literacy. The AITC website provides resources for teachers including suggestions for science fair projects, virtual tours, agricultural literacy quizzes, effective teaching strategies. There is also a directory of reviewed resources, including lesson plans, webquests, DVDs, maps, posters, and other items. The student's page features an interactive presentation with career information, ideas for science fair projects, opinion features on agricultural issues, games, webquests, and an interactive map with links to downloadable fact sheets about agriculture in each state.

Algebra Balance Scales

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Algebra Balance Scales

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This online manipulative features a virtual balance scale. It offers students an experimental way to learn about solving linear equations involving negative or positive numbers. The applet presents an equation for the student to illustrate by balancing the scale using blue blocks for positive units and variables and red balloons for negative units and variables. The student then works with the arithmetic operations to solve the equation. A record of the steps taken by the student is shown on the screen and on the scale. The applet reinforces the idea that what is done to one side of an equation must be done to the other side to maintain balance. Instructions for using the applet, background information about solving equations, and teaching suggestions are included.

Subject:: Mathematics; Algebra
Material Type:: Activity/Lab; Interactive
Provider:: NSDL Staff
Provider Set:: NSDL Math Common Core
Date Added:: 03/31/2003

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Algebra Four

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Students play a generalized version of connect four, gaining the chance to place a piece on the board by solving an algebraic equation. Parameters: Level of difficulty of equations to solve and type of problem. Algebra Four is one of the Interactivate assessment games.

Subject:: Computing and Information; Education; Mathematics; Algebra; Functions
Material Type:: Activity/Lab; Assessment; Diagram/Illustration; Game; Interactive; Lesson Plan; Simulation; Student Guide
Provider:: NSDL Staff; Shodor; SMARTR
Provider Set:: NSDL Math Common Core; CSERD: Computational Science Education Reference Desk; SMARTR: Virtual Learning Experiences for Youth
Date Added:: 10/30/2014

Algebra Lab: Inverse Variation

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Algebra Lab: Inverse Variation

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This lesson from Algebra Lab demonstrates "how to write equations of quantities which vary inversely." The lesson includes an example of a graph of this type of equation, and several example problems. This supporting material would be best used following some in-class instruction explaining how to solve inverse variation equations.

Subject:: Mathematics; Algebra
Material Type:: Activity/Lab; Lesson Plan
Provider:: NSDL Staff
Provider Set:: Key Concepts in Algebra
Date Added:: 11/04/2012

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Algebra Quiz

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Test your algebra skills by answering questions. This quiz asks you to solve algebraic linear and quadratic equations of one variable. Choose difficulty level, question types, and time limit. Algebra Quiz is one of the Interactivate assessment quizzes.

Algorithm Discovery with Venn Diagrams

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Algorithm Discovery with Venn Diagrams

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Students discover algorithms as they sort shapes into Venn diagrams. Then students compare the efficiency of their algorithms using box plots.

Subject:: Computing and Information; Mathematics
Material Type:: Lesson Plan
Provider:: NSDL Staff; Shodor
Provider Set:: NSDL Math Common Core; CSERD: Computational Science Education Reference Desk
Date Added:: 10/30/2014

Alice: Learn to Program Interactive 3D Graphics

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Alice: Learn to Program Interactive 3D Graphics

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Alice is a robust and engaging programming environment that aims to give programming novices-- particularly members of demographic groups underrepresented in computer science, such as middle-school and high-school girls, community-college students, and others--a positive first experience with computer programming. With its intuitive, direct-manipulation interface, the Alice 3D program-authoring system addresses both the mechanical and sociological barriers that currently prevent many students from successfully learning to program a computer. Alice provides animated, on-screen 3D virtual objects. Alice v2.0, the current version, includes an on-line tutorial and documentation system; and work has begun, in partnership with Electronic Arts, on a powerful new version.

Subject:: Computing and Information; Technology; Education; Mathematics
Material Type:: Activity/Lab; Diagram/Illustration; Interactive; Lesson Plan
Provider:: AMSER: Applied Math and Science Education Repository; Internet Scout Project; NSDL Staff
Provider Set:: AMSER: Applied Math and Science Education Repository; Internet Scout Project; Computer Science and Information Technology Gateways and Resources
Author:: Electronic Arts; Pausch, Randy; Stage3 Research Group, Carnegie-Mellon University
Date Added:: 08/20/2007

All About Snails

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All About Snails

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This website introduces younger students to snails. Topics include their physical characteristics and living habits, diet, reproduction, locomotion, life history, predators, and many others. There are also links to additional material on snails, including lesson plans, stories, poems, and songs, clip-art, art and craft activties, and other resources.

Subject:: Life Science; Ecology; Forestry and Agriculture; Geoscience
Material Type:: Activity/Lab; Diagram/Illustration; Lesson Plan
Provider:: NSDL Staff
Provider Set:: Biological Sciences Gateways and Resources
Date Added:: 11/01/2001