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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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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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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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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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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
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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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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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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
Avibase: The World Bird Database
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Some Rights Reserved
Rating
0.0 stars

This database provides information on all birds of the world, featuring information on thousands of species and subspecies of birds such as taxonomy, names and synonyms in various languages, photos, distribution maps, and links to additional information from other websites. The database is searchable by keyword or term, exact name, language, year of publication, and other parameters. There is also a search by taxonomic family, a set of checklists by geographic region, and a blog for ornithological discussions.

Subject:
Life Science
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Data Set
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
Denis Lepage
Date Added:
10/21/2014
Bacteria Assists in Formation of Ice and Snow
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Some Rights Reserved
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0.0 stars

NPR Talk of the Nation Science Friday Audio Story: New work in the journal Science suggests that bacteria may have played an important role in guiding the formation of the snow and rain forming ice crystals found in high-level clouds. The researchers looked at snow samples from around the globe — including Montana, France and Antarctica — and found that cells and cell fragments were a significant part of the aerosol particles that lead to the formation of ice and raindrops. Brent C. Christner, a member from the research team, talks with guest host Joe Palca about the connection between microbiology and meteorology.

Subject:
Life Science
Geoscience
Material Type:
Lecture Notes
Provider:
NSDL Staff
Provider Set:
Science of Winter
Date Added:
11/07/2014
BacterioFiles
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Some Rights Reserved
Rating
0.0 stars

Bacteriofiles is a free podcast to help spark student interest in science and microbiology. The podcast reports on exciting news about bacteria, microbes and viruses. It explains the connections between the research and how it may affect our lives. It is designed to be interesting and entertaining. For example, recent episode topics have included: Interesting organisms found living in acid, a cocaine overdose treatment from bacteria, a bacteria that can fight cancer and microbes living in a lake of asphalt.

Subject:
Life Science
Material Type:
Reading
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
Jesse Noar
Date Added:
10/21/2014
Beginning Algebra Tutorial: Reading Graphs
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Rating
0.0 stars

This tutorial from West Texas A&M University's Virtual Math Lab introduces bar graphs, line graphs, double line graphs and Venn diagrams to beginning algebra students. The unit explains each type of graph and includes examples. Students will use provided sample graphs to answer a series of questions about each example.

Subject:
Mathematics
Algebra
Material Type:
Activity/Lab
Lesson Plan
Provider:
NSDL Staff
Provider Set:
Key Concepts in Algebra
Author:
Seward, Kim
Date Added:
11/04/2014
Beginning Fractions
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Rating
0.0 stars

For the learner just being introduced to fractions, this site is an excellent resource. It contain a very basic explanation of what a fraction is and a game for students to practice naming the fraction presented. The game can also be manipulated to have a time limit, to award time for each correct answer, and to time how fast students can get 20 more answers right than wrong.

Subject:
Mathematics
Material Type:
Activity/Lab
Game
Provider:
NSDL Staff
Provider Set:
NSDL Math Common Core
Author:
J.C. Banfill
Date Added:
12/12/2007
Bilbao Crystallographic Server
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Some Rights Reserved
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0.0 stars

The Bilbao Crystallographic Server provides access to crystallographic programs, tools, and databases. The tools are grouped according to type: space groups retrieval; group-subgroup relations of space groups; representation theory applications; solid state theory applications; structure utilities; and subperiodic groups (layer, rod, and frieze groups retrieval tools). The Incommensurate Crystal Structure Database (ICSDB) provides access to four categories of data: general (chemical information and publication data); average structure (cell, symmetry, atom sites, and experimental data for the average structure); modulated structure (cell, symmetry, atom sites, and experimental data for the modulated structure); and modulation parameters (descriptions of the modulation, wave vectors, and atom sites modulations).

Subject:
Education
Chemistry
Geoscience
Physics
Material Type:
Data Set
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Date Added:
10/31/2014
BioEd Online: Homeostasis
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0.0 stars

This presentation from Baylor College of Medicine's BioEd Online website provides a great introduction to the topic of homeostasis. Students will watch a presentation from Wade Haaland and view the accompanying slides. The entire program's running time is 36:19, and students may skip around the lecture by choosing from the slides on the right hand side of the page. In addition to covering the basics of homeostasis, this presentation goes into the necessary components of a homeostatic system, disruption of homeostasis and more. Flash is required to view the presentation.

Subject:
Life Science
Material Type:
Lecture Notes
Provider:
NSDL Staff
Provider Set:
Key Concepts in Biology
Author:
Haaland, Wade
Date Added:
03/04/2009
Biodiversity of the Hengduan Mountains
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0.0 stars

This site provides data on plants and fungi from the Hengduan Mountains and adjacent areas of south-central China, including the Gaoligong Mountains and Tibetan Himalaya. The data were derived from georeferenced collections made on recent expeditions (1984-present) to the region, and include specimens with DNA tissue. Users can browse specimens by name; search by taxon, collector number, or date; or browse collecting localities in the database using Google Earth (TM). There is also information on expeditions and personnel, the Biodiversity of the Eastern Himalaya project, an image gallery, a multilingual gazetteer and thesaurus, and a map showing the historic Tibetan provinces of the region.

Subject:
Life Science
Geoscience
Material Type:
Data Set
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
David E. Boufford, Harvard University Herbaria
Date Added:
10/21/2014
Biota of North America Program
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0.0 stars

The goal of the Biota of North America Program (BONAP) is to develop a unified digital system for assessing the North American biota. BONAP's database now includes assessment for all vascular plants and vertebrate animals (native, naturalized, and adventive) of North America north of Mexico, and it maintains the most current taxonomy, nomenclature, and biogeographic data for all members of the biota. The Synthesis of the North American Flora, published in 1999, is available for purchase as a CD-ROM (ordering information is provided); a 1mb demonstration version for Windows is available through the BONAP site. The Synthesis includes taxonomic, nomenclatural, and biogeographic data and images, enabling users to produce species checklists, distribution summaries, and species assessments for morphology, rarity, endemism, nativity, and other biological attributes. It consists of three parts: the "Lexicon," which provides the underlying nomenclature and taxonomy; the "Atlas," which displays distribution maps for each of the accepted taxa; and the "Biological Attributes," which provides summaries of morphological and other specialized data (rarity and endemism, nativity, weediness, habit, habitat, and others).

Subject:
Life Science
Material Type:
Data Set
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Date Added:
10/21/2014
Black Magic
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Educational Use
Rating
0.0 stars

Most non-permanent markers use inks that are made of mixtures of colored pigments and water. How does Black Magic work? Why do some black inks separate into many colors on a wet coffee filter? Why does mixing many colors of ink make black?

Subject:
Engineering
Life Science
Chemistry
Physics
Material Type:
Activity/Lab
Provider:
NSDL Staff
Provider Set:
NSDL Science Refreshers
Date Added:
11/06/2010
Bootstrap
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Some Rights Reserved
Rating
0.0 stars

Bootstrap is a curriculum for teaching computer programming and algebra concepts to middle- and high-school students. It uses a pedagogical subset of the Scheme language, as implemented by the DrRacket IDE (also free on-line), and emphasizes graphics, animation, and game design from the beginning. It is usually presented as a series of nine 90-minute, after-school lessons, one per week.

Subject:
Computing and Information
Engineering
Technology
Mathematics
Algebra
Material Type:
Full Course
Provider:
NSDL Staff
Provider Set:
Computer Science and Information Technology Gateways and Resources
Author:
Emmanuel Schanzer
Date Added:
10/31/2014
Borealforest.org
Restricted Use
Copyright Restricted
Rating
0.0 stars

This site provides information on boreal forests (or taiga) of the world, with a focus on forests and the forest industry of Northwestern Ontario. A general discussion of boreal forests covers their geographic distribution, climate, soils, plant and animal species; management and sustainability; and the role of science and technology in boreal forest management. There is also information specific to the boreal forests of Northwestern Ontario (history, climate, communities, tourism and recreation, ecological studies, policy and legislation), and information on the forest industry in Northwestern Ontario (lumber, pulp and paper, wood veneer, panelling). The educational resources page features more detailed information on the plants and animals in Northwestern Ontario forests, glossaries of forestry-related terms, and curriculum materials on the forestry industry, paper manufacturing, and environmental issues surrounding the industry.

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:
04/23/2002
BrainPOP Jr.: Math
Restricted Use
Copyright Restricted
Rating
0.0 stars

Animated features and activities providing mathematics instruction and homework help for younger students (K-3). Each animation is accompanied by quizzes, games, vocabulary, and other activities. Topics include addition and subtraction, multiplication and division, how to use a calendar, how to count and use money, fractions, how to make measurements, and many others. Movies, animations, and activities available via paid subscription; 5-day free trial is offered. Site offers free lesson-plan ideas.

Subject:
Mathematics
Material Type:
Activity/Lab
Game
Interactive
Lesson Plan
Provider:
NSDL Staff
Provider Set:
Mathematics Gateways and Resources
Date Added:
11/04/2014
BrainPOP Math: Calculations and Computations
Restricted Use
Copyright Restricted
Rating
0.0 stars

This collection of interactive features and animated movies introduces students (grades 3-12) to mathematical calculations and computations. Categories include algebra, data analysis, geometry and measurement, probability, numbers and operations, and ratio, proportion, and percent.

Subject:
Mathematics
Material Type:
Diagram/Illustration
Interactive
Lesson Plan
Provider:
NSDL Staff
Provider Set:
Mathematics Gateways and Resources
Date Added:
11/04/2014
BrainU
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Rating
0.0 stars

BrainU is a grant-funded professional development program for science teachers in grades 5-12. Website content includes easy-to-follow instructions for hands-on activities, student and teacher guides, handouts, and educational videos and cartoons.

Subject:
Life Science
Material Type:
Activity/Lab
Lesson Plan
Simulation
Provider:
NSDL Staff
Provider Set:
Health Sciences Gateways and Resources
Date Added:
11/03/2014
COUNTDOWN
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Some Rights Reserved
Rating
0.0 stars

The COUNTDOWN web site features more than 800 instructional QuickTime math videos and 350 companion worksheets that are devoted to the demonstration and support of effective mathematics instruction. These multi-indexed math movies are organized according to content standards established by the National Council of Teachers of Mathematics allowing viewers to explore specific math concepts at their own pace. Whether you are an educator brushing up on formulas, a fifth grader figuring out equivalent fractions, a grad student completing a methods assignment or a concerned parent seeking an electronic math tutor for your child, this site is a rich math resource available free of charge for your repeated use. The video clips found on this site have been edited from hour-long interactive weekly TV broadcasts on Channel 21 in Chicago.

Subject:
Education
Mathematics
Material Type:
Game
Lecture Notes
Lesson Plan
Unit of Study
Provider:
NSDL Staff
Provider Set:
Mathematics Gateways and Resources
Author:
Dr. Diane Schiller
Date Added:
11/04/2014
CalPhotos
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Some Rights Reserved
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0.0 stars

Thousands of photographs of plants, animals, fossils, landscapes (fieldsites, habitats), and people (anthropological, historical) are offered by this images database. The collection is searchable by photo type, scientific name, common name, geographic location, and a number of other parameters. Each photo is accompanied by a date, location, image category, and links for additional information. There is also an annotation system that allows experts to register, review photos, and add a comment or change the identification of the plant or animal in the picture.

Subject:
Life Science
Geoscience
Material Type:
Diagram/Illustration
Provider:
NSDL Staff
Provider Set:
Biological Sciences Gateways and Resources
Author:
Biodiversity Sciences Technology (BSCIT), Berkeley Natural History Museums, University of California, Berkeley
Date Added:
10/21/2014