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Plant Life Cycles
Which life forms reproduce at a distance, give rise to offspring miles away and even after death, trick other living things into helping them reproduce, and encourage predators to eat their young as part of their life cycle? Plants! During Session 4, we’ll continue our study of life cycles by focusing on the Plant kingdom, using flowering plants as our examples. During this
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Changing with the Tide
The Changing with the Tide lesson plan is written around a role-play activity in which students learn about and act out the behavior of plants and animals in a salt marsh habitat as the tides change. An unusual feature of salt marshes is the dramatic daily change in stresses and interactions that the organisms face. On this Starting Point page, teachers can find learning goals, teaching notes and tips, teaching materials, assessment hints and references and resources dealing with this exercise.
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The Evolution of Cell Phone
CELL PHONES from 1985 to today.  Shows different models and features of each phone. (2:47)
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General Electric Cell Phone 1989
A General Electric Cell Phone commercials from 1989.
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TechBloom : Cell Evolve
The evolution of the cell phone
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How Cell Phone Recycling Works
How Cell Phone Recycling Works is a short video that explains the importance of recycling cell phones and goes into some details into what they contain. A good video to show students when studying the environment as they are usually not aware of the dangers.

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Constitutional Principles
The United States Constitution is a relatively brief document that established the foundation upon which the American government is built. It outlines the framework and procedures of the government and sets limits on governmental power. (Video is narrated with slides and speeches.)

The Constitution was founded on several basic principles that help to keep it relevant today. These are the principles of popular sovereignty, limited government, separation of powers, checks and balances

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Exchange of Goods With the New World
Pictures of a variety of goods found in the New World, from plants and animals to clothing. In return, European crops and goods were brought to the Americas to exchange. Diseases were also brought to the Native Americans, and large populations were wiped out. AP history lesson.  (Video is a set of slides with narration.)

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Unionization at Ford in 1930s and early 1940s
[CAUTION: There are scenes with dead workers in caskets that might be disturbing.]Ford was considered the model of manufacturing technology in the 1920s. By offering the $5 day, and other benefits, Ford was also
considered a model employer. The Great Depression changed that
perception and worker unrest led to a unionization drive. Ford was more resistant than the other "Big-3" auto companies (GM and Chrysler) and was the last to unionize on the eve of WW2. (Video starts in the m

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Brown V Board of Education
In 1896, the Supreme Court upheld state racial segregation laws based on the "separate but equal" doctrine in Plessy v. Ferguson. The Court ruled that making a legal distinction between races did not violate the Thirteenth Amendment forbidding involuntary servitude. In addition, the Court did not feel that Plessy violated the spirit of the Fourteenth Amendment, since no rights were to be denied black citizens. Laws requiring the separation of races, the Court declared, do not necessarily imply t
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Subtraction With Base 10 Blocks
Base Blocks Subtraction – Use base ten blocks to model separation of groups in subtraction. The user can adjust the problem difficulty by changes the number of digits that appear. Please take a few seconds to wait for this virtual manipulate (that uses a Java applet) to fully load. From Utah State University.
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Apple Screen 6
Microbes will continue to break down the fruit skin and flesh until all the water and nutrients are absorbed into the soil below. These nutrients then nourish growing plants.
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Fruit Wrappers with Curious George
This video from Curious George introduces students to the importance of skins, peels, and other fruit coverings, which help protect a fruit's precious cargo: seeds. Seeds are a plant's offspring. For plants to survive, they must distribute their seeds in places where they stand a good chance of growing. Fruits are part of a plant's reproductive strategy. The teacher explains to the students that ripe fruit is more attractive to animals. This is important, as fruit-eating animals transport seeds
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Biotechnology: Detection of Cell Clones
Professor George Wolfe discusses detection of cell clones in this video from Thinkwell's online Biology series. The video uses lecture format along with notes and illustrations on a board.  Run time 08:59.
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Reading the Code of Life

DNA is central to cell activity, replicating with great fidelity and carrying the information for all proteins. Organisms also regulate the products made from genes in an effort to conserve energy and adapt to new environments.

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Jeremy Siegel: Interest Rates Look Stable, but Beware the China Bubble
The U.S. economy may be getting stronger, but that doesn't mean interest rates will go up when the Federal Reserve meets next week on January 31. According to Wharton finance professor Jeremy Siegel, interest rates should hold firm at their current level for quite a while, and "the big question for the market is whether there will be any drops at all this year." He believes there is "a balance in the economy between strength and moderate inflation," and the Fed is unlikely to move interest rates
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Cells - Centers for the Week of 8/30/10
Mrs. Matthews students rotate through science centers each week.  This week, the class is learning about living things, the parts of a plant and animal cell, and unicellular organisms.  Their centers for the week include (1) a video about microbes found on Watchknow called Magic School Bus is in a Pickle (2) three interactive microscope websites on the Whiteboard (3) an experiment with a chicken egg (one large cell) soaked in vinegar to reveal the membrane (4) an art activity where the stud
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Masters of Disguise
The natural world is filled with animals trying to eat other animals and trying to avoid being eaten. This pressure to find food or to keep from becoming someone else's dinner has, over millions of years, produced an incredibly effective way to escape detection by predators or prey: camouflage. This video segment explores the world of camouflage, including some of the methods and benefits of this important evolutionary strategy. Footage from NOVA: "Animal Impostors." Closed captioning included.
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Biomes Interactive Site
The distribution of plants and animals around the world is anything but random. Instead, it is a result of the interplay of individual environmental tolerances of species and the environmental conditions, especially variations in temperature and precipitation. These interactions result in biomes, the categories into which ecologists organize similar communities of plants, animals, and the environmental conditions in which they live. This interactive resource adapted from NASA features some of th
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Nanoelectronics 101
Semiconductor device technology has transformed our world by making possible supercomputers, personal computers, cell phones, ipods, and much more that we now take for granted. Moore's Law observes that the number of transistors (the basic building blocks of electronic systems) per electronic chip doubles each technology generation. This doubling of transistor density each technology generation has continued since Gordon Moore, one of the co-founders of Intel, made his observation in 1965. It ha
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