The Mummified Troll: Devising a Protection Plan
Students are introduced to the parameters of an engineering challenge in which their principal has asked them to devise an invisible security system to cost-effectively protect a treasured mummified troll, while still allowing for visitor viewing during the day. Students generate ideas for solving the grand challenge, first independently, then in small groups, and finally, compiled as a class.
Physics is the scientific study of the basic principles of the universe, including matter, energy, motion and force, and their interactions. Major topics include classical mechanics, thermodynamics, light and optics, electromagnetism and relativity.
Stack It Up!
Students analyze and begin to design a pyramid. Working in engineering teams, they perform calculations to determine the area of the pyramid base, stone block volumes, and the number of blocks required for their pyramid base. They make a scaled drawing of the pyramid using graph paper.
All Caught Up
Commercial fishing nets often trap unprofitable animals in the process of catching their target species. In the following activity, students will experience the difficulty that fishermen experience while trying to isolate a target species when a variety of animals are found in the area of interest. The class will then discuss the large magnitude of this problem. Students will practice their data acquisition and analysis skills, through the collection of data and processing of this information to
Sound for Sight
Echolocation is the ability to orient by transmitting sound and receiving echoes from objects in the environment. As a result of a Marco-Polo type activity and subsequent lesson, students learn basic concepts of echolocation. They use these concepts to understand how dolphins use echolocation to locate prey, escape predators, navigate their environment, such as avoiding gillnets set by commercial fishing vessels. Students will also learn that dolphin sounds are vibrations created by vocal organs
Do Different Colors Absorb Heat Better?
Students test whether the color of a material affects how much heat it absorbs. Students will place an ice cube in a box made of colored paper (one box per color; white, yellow, red and black), which they will place in the sun. The students will make prediction as to which color will melt the ice cube first. They will record the order and time required for the ice cubes to melt.
How Tall Are We?
Kindergartners measure each other's height using large building blocks, then visit a 2nd and a 4th grade class to measure those students. They can also measure adults in the school community. Results are displayed in age-appropriate bar graphs (paper cut-outs of miniature building blocks glued on paper to form a bar graph) comparing the different age groups. The activities that comprise this lesson help students develop the concepts and vocabulary to describe, in a non-ambiguous way, how height
Japancast HD Video Episode 038 – Learn Japanese @ Japancast.net
Information on volunteering in Japan. Plus a new Japanese Twitter star and your viewer questions. Japancast HD Video Episode 38 from Hitomi Griswold on Vimeo. Help us grow! Share this post on your favorite social site:
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)
7.5.1 Evaluate information from different sources Be critically aware of the reliability and quality of information from different sources, taking into account factors such as commercial, political, academic or personal interests that may influence selection, content and presentation. How will you judge the quality of the information you find? You may need to question the validity of statistical information and the way data have been chosen. The size of a survey sample, for example, may be insufficient to support claims of general tren
Be critically aware of the reliability and quality of information from different sources, taking into account factors such as commercial, political, academic or personal interests that may influence selection, content and presentation. How will you judge the quality of the information you find?
You may need to question the validity of statistical information and the way data have been chosen. The size of a survey sample, for example, may be insufficient to support claims of general tren
A retrospective look at space shuttle Endeavour.
From unemployed to entrepreneur
Exasperation leads to inspiration for one man who was laid off twice before starting his own internet company.
Introduction to Scanning Probe Microscopy
This learning module teaches the principles behind scanning tunneling microscopy and atomic force microscopy. The module includes example applications and ample literature citations.
This pair of pH calculation programs serves as an excellent tool for anyone wishing to calculate the pH of a solution containing multiple acids and bases. These programs allow practitioners to predict the pH of simple and complex acid/base solutions and buffers. Users are encouraged to carefully read the guides provided by the author.
Experiments in Electroanalytical Chemistry
This website offers educators a set of eight classical electroanalytical experiments suitable for use in a quantitative analysis, instrumental analysis, or electrochemistry course. The materials should be useful for advanced undergraduates and beginning graduate students. Experiments include coulometric, conductometric, and potentiometric titrations, stripping analysis, flow injection analysis, and polarography. It is important to note that several of the experiments use mercury or mercury co
Fundamentals of NMR
This e-text presents an introduction to the fundamentals of NMR covering magnetic resonance, pulsed NMR, relaxation, chemical shift, spin-spin coupling, the nuclear Overhauser effect and chemical exchange.
In this lesson, students learn some basic facts about asteroids in our solar system. The main focus is on the size of asteroids and how that relates to the potential danger of an asteroid colliding with the Earth. Students are briefly introduced to the destruction that would ensue should a large asteroid hit, as it did 65 million years ago.
2.1 Some basic concepts
Energy resources are essential for any society, be it one dependent on subsistence farming or an industrialised country. There are many different sources of energy, some well-known such as coal or petroleum, others less so, such as tides or the heat inside the Earth. Is nuclear power a salvation or a nightmare? This unit provides background information to each resource, so that you can assess them for yourself.
A Walk along the Kennet
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