Cadbury: Maths in the Factory
What kid can resist chocolate? Certainly not many, and this site from the Cadbury Company uses chocolate to entice children to learn about mathematics. Users must apply their knowledge of basic math concepts to solve different problems in the Cadbury factory. The interactive scenarios, which are guided by a group of chocolate cartoon characters, let children practice their skills in arithmetic, measurement, interpretation of data, and geometric objects. There are also sections for teachers and p
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Bells in Your Ears
Does sound travel better through solids or gases? This material is part of a series of hands-on science activities designed to arouse student interest. Here the student hangs a metal fork from a pencil using string, and then strikes the fork while the eraser end of the pencil is in his or her ear. The activity includes a description, a list of science process skills and complex reasoning strategies being used, and a compilation of applicable national science standards for grades K-12. Also provi
Author(s): Mid-continent Research for Education and Learning

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Examine the sun at different wavelengths
This Earth science resource enables students to observe and compare the sun's appearance under different types of electromagnetic radiation. Students are instructed to move the cursor across the spectrum to see images of the sun under radio and microwaves; infrared, visible, and ultraviolet light; and gamma rays. Each image includes a label that indicates the portion of the electromagnetic spectrum, the wavelength in angstroms and meters, and the layer of the sun in view. Copyright 2005 Eisenhow
Author(s): TERC. Center for Earth and Space Science Education

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See site for guidelines governing the use, restrictions and reproduction of these materials.

Astronomy
This page contains links to one pagers on historical instruments of astronomy with photos of the following : Astronomy Slides, Celestial Globe, Cometarium, Globe, Gregorian Telescope, Kepler's Laws Demonstration, Orrery, Planetarium, Planisphere, Stereoscopic Pictures of the Moon, Tellurian, and Transit.
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Kenyon College

Ice Cube of Exotic Microbes
This article describes a permafrost subglacial lake discovered beneath Antarctica. The lake offers scientists a chance to test their sterile drilling techniques before exploring elsewhere in search of exotic microbes. Techniques that avoid contaminating a drill site with microbes, suggests the author, would prove useful for future drilling into Mars polar caps in search of life.
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Copyright 2009, Astrobio.net

The baby's brain : infant vision
In this feature, the user explorers how a baby's sense of sight develops. By dragging a slider bar to each of six different age markers, the user can see how the same image looks for babies as they get older. There is also a paragraph-long explanation of vision at each of the six ages shown: newborn, 1 month, 2 months, 3 months, 6 months, and adult. These explanations reveal what a baby can and cannot see at each age. They also discuss how a baby's brain and eyes mature, providing improved focus
Author(s): David Grubin Productions,Thirteen/WNET New York

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Copyright 2001 Educational Broadcasting Corporation and David Grubin Productions, Inc. All rights reserved.

Smart Move!
This is a simple activity to visualize a communication system. In order to do this the students encode, decode, transmit, receive and store messages. They will use a code sheet and flashlight for this process. They will also maintain a storage sheet from which they can retrieve information as and when it is required.
Author(s): K-12 Outreach,

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Copyright 2011 - K-12 Outreach, Worcester Polytechnic Institute,http://www.teachengineering.org/policy_ipp.php

Box Plot 2
This activity allows the user to explore maximum, minimum, median, upper quartile, lower quartile and outliers while learning how to draw box plots.
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Factoring Special Products
Choose the correct steps to factor a polynomial involving perfect-square binomials, differences of squares, or constant factors. Use the feedback to diagnose incorrect steps.
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Teacher's Toolkit : Reforming cookbook labs
The majority of ancillary materials provided with any textbook includes a large quantity of labs that have step-by-step instructions. Although it is important in science for students to learn how to follow directions, offering only cookbook labs limits students' access to exploration. Presented in this article are 11 different ways of altering cookbook labs so that students understand the intention of the procedure. The altered labs do not fully achieve the status of inquiry-lab, but they are a
Author(s): Erin Peters

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Permission to reproduce content is granted in advance under the following circumstances: (1) All educators may reproduce up to five copies of an NSTA article for personal use only. This does not inclu

Ecological Footprint: Overshoot
In this two-minute sound segment, the director of the Sustainability Program for the public policy group Redefining Progress discusses the concept of your ecological footprint. This is the amount of nature it takes to support your lifestyle. He says that if we use more than can be replaced by nature we are in a condition called overshoot. He suggests that this can continue for a while but eventually someone will have to pay with a lower standard of living. This site is from an archive of a daily
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Copyright 2002 Jim Metzner Productions, Inc. All rights reserved.

Slope calculation
Examine the graph of two points in the plane. Find the slope of the line that passes through the two points. Drag the points and investigate the changes to the slope and to the coordinates of the points.
Author(s): ExploreMath.com,Brian Sharp

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Copyright 1999-2001 ExploreLearning.com All Rights Reserved.

The future of energy, environment
The lasting effects of energy consumption on the environment continue to be a problem as the world's population requires more and more energy. This informational piece, part of a series about the future of energy, introduces students to environmental issues related to the use and production of energy. Fossil fuels, nuclear energy, hydropower, and clean air are discussed in the context of environmental quality. Students can read about the development of environmentally friendly vehicles and follo
Author(s): Iowa Public Television. Explore More Project

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Copyright 2004, Iowa Public Television.

Science and Technology
The goal of engineering is to solve practical problems through the development or use of technologies. Technology/engineering works in conjunction with science to expand our capacity to understand the world.
Author(s): K-12 Outreach,

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Copyright 2011 - K-12 Outreach, Worcester Polytechnic Institute,http://www.teachengineering.org/policy_ipp.php

Powering the U.S.
This lesson provides students with an overview of the electric power industry in the United States. Students also become familiar with the environmental impacts associated with a variety of energy sources.
Author(s): Integrated Teaching and Learning Program,

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Copyright 2009 - Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder,http://www.teachengineering.org/policy_ipp.php

Discovering Properties of Matter
What is matter? How do we define it? What are some of its properties that we can measure? Come learn all about this fundamental piece of science in this Wowie clip from the Children's Museum of Houston. Cynthia briefly discusses the following properties of matter: shape, texture, magnetism, fluorescence, and mass.  (0:59)
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How Lead Batteries are Made
Batteries are great examples of chemical potential energy, energy that is stored up.  Find out how lead batteries are made and what causes the chemical reaction as we take a trip to the Superior Battery Manufacturing Company on Discovery Channel's "HowStuffWorks" show. (02:49)
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Lecture 5a: Functional Analysis - Nowhere dense sets
The fifth class in Dr Joel Feinstein's Functional Analysis module covers proofs that countably infinite complete metric spaces must have isolated points. Nowhere dense sets and nowhere dense closed sets. Further module materials are available for download from The University of Nottingham open courseware site: http://unow.nottingham.ac.uk/resources/resource.aspx?hid=bd32d53b-3c12-ac19-176b-d9e112731951 and on iTunes U: http://itunesu.nottingham.ac.uk/albums/64.rss Dr Feinstein's blog may be vie
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Passover Matzo (3:15)
In this video watchers learn why the matzo is traditionally eaten during Passover. This explains how it is made.
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Analytical Electrochemistry: A Laboratory Manual
This labware module contains directions for seven experiments in analytical electrochemistry. The experiments are designed to illustrate fundamentals of electrode reactions as applied to readily accessible redox reactants. They provide insight to dynamic electrochemistry for scientists at all levels of training. Activation procedures to prepare glassy carbon electrodes are provided in a TechNote.
Author(s): Theodore Kuwana

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