'Www exploratorium' diaporamas de présentation

What do you know?!?

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The Discovery of the Neutron Star

The Discovery of the Neutron Star. The Neutron . Predicted by Ernest Rutherford in 1920. Experimentally discovered by James Chadwick in 1932. The Neutron Star. Fritz Zwicky and Walter Baade mathematically predicted the existence of a neutron star in 1934. Massive Star Life Cycle.

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Chemistry of Life

Chemistry of Life. Structure of an Atom. Subatomic particles Nucleus Proton Neutron Q uarks Electrons Outside the nucleus Different distances (levels, clouds) Move randomly Size. How are Elements Different?. Atomic number # of protons Mass # # of protons + # of neutrons

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Matter

Matter. Matter . Anything that has mass and takes up space (volume) Examples: A brick has mass and takes up space A desk has mass and takes up space A pencil has mass and takes up space Air has mass and takes up space. Mass vs. Weight.

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Introduction to Animals: Characteristics and Life Cycle

Introduction to Animals: Characteristics and Life Cycle. BIOL 1407. Animals. Multicellular eukaryotes Ingestive heterotrophs. Animals. Lack cell walls Extracellular matrix. Muscle Tissue: Movement. Nervous Tissue: Conduct Electric Signals. Stages of Development. Zygote Cleavage

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OOGENESIS

OOGENESIS. Polar bodies. Primary oocyte. Primary spermatocyte. Meiosis I. Meiosis I. Secondary spermatocytes. Secondary oocyte. Meiosis II. Spermatids. Meiosis II. Spermiogenesis. Ovum. Spermatozoa. 1. Four gametes from each primary spermatocyte. 2. Four small gametes of equal size.

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Yeast Bread Production

Yeast Bread Production. By Rachael Picard. Introduction To Yeast Bread.

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Technological, Pedagogical Content Knowledge

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No Math= No Bicycling (How Math is Applied to Bicycling)

No Math= No Bicycling (How Math is Applied to Bicycling). By Daniel Ferioli. Introduction.

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The INTERNET

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The INTERNET

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Understanding Sona Sargsyan

For. Understanding Sona Sargsyan. What is understanding?. Understanding is a matter of being able to carry out a variety of flexible performances concerning the topic taught.

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Frogs

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Brain Stretch Week 4

Brain Stretch Week 4. Metric System Challenge. What did the metric alien say?. Instrument used to find mass. _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ Metric unit for length _ _ _ _ _ Amount of space an object takes up. _ _ _ _ _ _ Amount of matter in an object _ _ _ _

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Iron in Antarctica

Iron in Antarctica. By: Harshang Sheth, Camelia Hammad. Background Of Iron. Iron is steel gray-black , malleable, strongly attracted to the magnets, and its luster is metallic . It is used in manufacturing of steel, magnets, medicines , & biomedical research.

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Higgs Boson

Higgs Boson. Hananeh Saghiha. Standard model. 12 fermions Quarks & leptons Some carry color charge Some carry electric charge Classified to 3 generations Gauge bosons as force carriers Figures from wikipedia. Higgs mechanism. Proposed in 1962 by Philip Warren Anderson

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Electric motors

Electric motors. Activity 5. How an electric motor works. A coil of wire with a current produces a magnetic field. The coil then acts like a small magnet. When the coil is near a stronger magnet, the coil will move to align with the stronger magnet due to the force of the stronger magnet.

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PICKLES

PICKLES. Awesome. Where did pickles come from?. How to make pickles - http ://www.youtube.com/watch?v=1cj9jNc9nKo&feature=related. INDIA

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