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This rich Web site explores many aspects of the science of gardening, including soil chemistry, the history of domesticated plants, the many ways plants propagate, and how plants are bred for desired...
HTML Document: 8 kb
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This Web site introduces the structure and nature of life through four different sections: "The Stuff of Life," "Life Needs Energy," "Making More Life," and "Change Over Time." Online exhibits that can...
HTML Document: 9 kb
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Life requires energy to perform basic functions. This resource provides links to four pages that allow exploration of ways that living things acquire energy. In "Energy from Death," videos show dermestid...
HTML Document: 13 kb
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The Scientific Process, Chemistry of Life, Human Body, Chemical Reactions, Cell Division, Plants, Animals, Protists and Fungi, Cultural Perspectives, Energy Flow and Chemical Cycles, Viruses & Bacteria
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This exhibit presents graphic representations of plant and animal cells, including diagrams, models, and magnified images. Differences between plant and animal cells are highlighted, and principle parts...
HTML Document: 1 kb
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This video-rich Web site makes available a wide array of magnified images captured by microscope. Numerous videos illustrate microscopic processes such as cell division by mitosis, embryonic development,...
HTML Document: 10 kb
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Postsecondary
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This activity provides instructions for growing colonies of multi-hued microbes in a clear tennis ball can with just mud, paper and an egg.
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This activity provides instructions for making a fish mummy in two weeks using household baking soda.
HTML Document: 12 kb
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This live presentation of sea urchin sperm (magnified 1,000 times) uses an interactive microscope to show how a sperm fertilizes an egg. Sperm and eggs from sea urchins are about the same size and shape...
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A far-ranging Web site that explores the people, places, tools, and ideas behind the search for the origins of matter, the universe, and life itself. The site covers the European Center for Nuclear Research...
HTML Document: 10 kb
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9-12
Postsecondary
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Measurement, Stars and Galaxies, The Scientific Process, Astronomy, Heat and Temperature, Atomic Structure, Weather and Climate, Elementary Particles and Nuclear Physics, Animals, DNA Structure and Function, Protists and Fungi, Historical Perspectives, Human Impact, Evidence for Evolution, Oceans and Water, Ecosystems, Classification, Origins of Universe, Probes, Satellites and Spacecraft, Science as a Career, Geologic Time
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This is the first of five images showing that eggs from the sea urchin Lytechinus pictus (large eggs) are preferentially fertilized by sperm from the same species. A fertilization membrane forms around...
JPEG Image: 300 kb
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