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A+ Click K-12 Math Test
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
4.0 stars

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:
NSDL Staff
Provider Set:
Mathematics Gateways and Resources
Author:
Igor Kokcharov
Date Added:
02/16/2011
Abiotic and Biotic Factors
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Educational Use
Rating
0.0 stars

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
Restricted Use
Copyright Restricted
Rating
0.0 stars

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
Acids in Proteins
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Rating
0.0 stars

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
Algebra Balance Scales
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Rating
0.0 stars

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
Algebra Lab: Inverse Variation
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Rating
0.0 stars

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
American Association of Amateur Astronomers
Restricted Use
Copyright Restricted
Rating
0.0 stars

The American Association of Amateur Astronomers (AAAA) is intended to foster interest in amateur astronomy by developing and promoting programs for its membership and the amateur community at large in the areas of observational astronomy and electronic communications on the internet. The AAAA's web site features links to membership information, news releases, and announcements of astronomical events and organizational activities. Educational materials include a tutorial on the solar system, an introduction to the constellations, a history and introduction to astronomy, and a link to the Arp Atlas of Peculiar Galaxies. There is also an FAQ feature, a link to the organization's newsletter, links to partner organizations, and information on products available at the AAAA online store.

Subject:
Space Science
Provider:
NSDL Staff
Provider Set:
Space Sciences Gateways and Resources
Date Added:
11/07/2014
American Mathematical Society Books Online
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Some Rights Reserved
Rating
0.0 stars

The American Mathematical Society's (AMS) Books Online makes available full text of over 30 scholarly monographs published by the AMS, covering a range of subjects including algebra and algebraic geometry, analysis, applications, differential equations, geometry and topology, logic and foundations, mathematical physics, number theory, probability, and general interest. Their gateway page organizes titles by subject and author.

Subject:
Mathematics
Material Type:
Reading
Provider:
NSDL Staff
Provider Set:
Mathematics Gateways and Resources
Date Added:
11/04/2014
American Physical Society: Careers in Physics
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Some Rights Reserved
Rating
0.0 stars

This page features information for students who wish to pursue careers in physics. Topics include academic preparation for middle school, undergraduate, and graduate/postdoctoral students, biographies of physicists working in various specialties, and articles profiling physicists working in industry.

Subject:
Physics
Material Type:
Reading
Provider:
NSDL Staff
Provider Set:
Physics Gateways and Resources
Date Added:
11/06/2014
The Amoeba Sisters YouTube Videos
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Rating
0.0 stars

The Amoeba Sisters strive to facilitate curiosity and engagement by making biology both humorous and meaningful. The videos use real world examples and silly cartoons to demystify difficult biology concepts, such as cell anatomy, homeostasis, enzymes, and biomolecules. A new video is released weekly. The creators are sisters who both work in education. One is a high school biology teacher who found these videos made biology more approachable and easier to comprehend.

Subject:
Education
Life Science
Material Type:
Lesson Plan
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
The Amoeba Sisters
Date Added:
04/04/2014
Andean Botanical Information System
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Rating
0.0 stars

The Andean Botanical Information System (ABIS) provides information about the flowering plants (phanerogams) of Andean South America. Materials include information on the environments of the Andes Mountains and a gallery of images of plants (by family) distributed in the Andes of Peru and Chile. There is also information on a research database that provides access to collection-label data of South American Andean plants for taxonomic purposes. The specimen-label information from over 7500 collections from coastal Chile and Peru have been electronically captured and are available in checklists. Other materials include a biography of J. Francis MacBride, who performed groundbreaking research on the flora of Peru, a bibliography of additions to the Andean flora, and information on related resources. The site is available in both English and Spanish.

Subject:
Education
Life Science
Material Type:
Data Set
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
Dillon, Michael O.
Hensold, Nancy.
Project Coordinator and Investigator: Michael O. Dillon (Curator of Phanerogams, Department of Botany, The Field Museum)
Date Added:
08/24/2003
Animations
Restricted Use
Copyright Restricted
Rating
0.0 stars

This collection contains animations of a nuclear chain reaction, nuclear fission and nuclear fusion. It also showcases interactive models of the first atomic bombs and simulation of the "Nuclear Winter" effect.

Subject:
Technology
History, Law, Politics
Physics
Material Type:
Reading
Provider:
NSDL Staff
Provider Set:
Atomic Archive
Author:
Christopher Griffith
Date Added:
10/17/2014
Archaeology from Reel to Real
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Some Rights Reserved
Rating
0.0 stars

For some, the word archaeologist brings to mind Indiana Jones, the hero of four action-packed adventure movies. While Indiana Jones may have some things in common with real archaeologists, the differences far outweigh the similarities. Rather than relic hunters and adventurers, NSF-funded archaeologists are scientists, whose work is aimed at answering key questions about the past, answers that may even inform policy about contemporary problems such as how societies adapt to climate change, ecological shifts, political upheaval or mass migrations. They work as far afield as the Aleutians, Egypt, China and the deserts of the Southwest, or as close as Mississippi.

Material Type:
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
National Science Foundation (NSF) Special Reports and Videos
Date Added:
11/06/2014
Areas, Volumes, Surface Areas
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Rating
0.0 stars

This printable sheet is an excellent reference tool for geometry students. It details the formulae for finding the area, volume, and surface area for a variety of two- and three-dimensional shapes and includes an illustration of each that shows which measurements are important to the calculation. Presented are: areas of polygons (square, rectangle, parallelogram, trapezoid, circle, ellipse, triangles); volumes of polyhedra (cube, rectangular prism, irregular prism, cylinder, pyramid, cone, sphere, ellipsoid); and surface area (cube, prism, sphere).

Subject:
Mathematics
Material Type:
Student Guide
Provider:
NSDL Staff
Provider Set:
NSDL Math Common Core
Author:
David Manura
Date Added:
10/18/2002
Arizona Meteorites
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Some Rights Reserved
Rating
0.0 stars

This page provides information on meteorites found in the State of Arizona. An interactive map shows the locations on meteorite finds in the state; clicking on a location provides additional information, including the meteorite's name (they are usually named after the location where they are found), composition, weight, date of discovery, and a photo (where available). There is also an alphabetical listing of meteorites by name and a set of links to other websites with information on meteorites.

Subject:
Geoscience
Space Science
Material Type:
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
Geosciences Gateways and Resources
Author:
David A. Kring
Date Added:
11/02/2014
Arms Control, Deterrence and Nuclear Proliferation Documents
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Some Rights Reserved
Rating
0.0 stars

This collection contains documents about arms control, nuclear deterrence and nuclear proliferation. Principle documents include: The Baruch Plan, Churchill' s "Iron Curtain" Speech, Eisenhower's Atoms for Peace Speech, Sec. of Defense McNamara's "No Cities" Speech, Sec. of Defense McNamara's "Mutual Deterrence" Speech. The collection also contains documents about recent nuclear events in North Korea, India and Pakistan.

Subject:
History, Law, Politics
Material Type:
Primary Source
Reading
Provider:
NSDL Staff
Provider Set:
Atomic Archive
Date Added:
10/17/2005
As Many Exceptions As Rules
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Rating
0.0 stars

As Many Exceptions as Rules is a STEM science teaching blog resource that focuses on biology core concepts. To increase student engagement in this field, it reinforces core concepts in biology using fascinating examples of organisms that do not follow established biological rules. Through these exceptions, knowledge of core concepts are redefined and strengthened without focusing exclusively on the overused examples and mundane teaching patterns. A more detailed rationale for the form of the blog is given in the initial post. Each story is explained in plain English, with definitions and etymology of important terms. Teaching resources, including classroom activities and laboratories are included in each post.

Subject:
Education
Life Science
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
Mark E. Lasbury
Date Added:
10/21/2011
Atomic Physics
Restricted Use
Copyright Restricted
Rating
0.0 stars

This collection provides a basic introduction to Atomic Physics. It reviews the building blocks of atomic structure, explores atomic isotopes, explains Einstein's famous equation E = mc2, and introduces the various types of radiation.

Subject:
Physics
Material Type:
Diagram/Illustration
Reading
Provider:
NSDL Staff
Provider Set:
Atomic Archive
Author:
Christopher Griffith
Date Added:
10/17/2005
Atoms Around Us
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Rating
0.0 stars

Though titled for kids the information presented at this site is thorough and supported with hot links to related concepts as well as illustrations. Click on the blue Next Stop on the Tour button to continue learning.

Subject:
Engineering
Chemistry
Physics
Material Type:
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
NSDL Science Refreshers
Date Added:
11/06/2009
Avalanche!
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Some Rights Reserved
Rating
0.0 stars

This video and companion website explain the mechanics of an avalanche and how scientists are attempting to learning more about the nature of snow pack instability to better predict these oftentimes deadly events.

Subject:
Chemistry
Geoscience
Material Type:
Diagram/Illustration
Simulation
Provider:
NSDL Staff
Provider Set:
Science of Winter
Date Added:
11/07/2014