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Solar and Lunar Eclipse

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Eclipse Simple video animation   (watch the short video to answer the following Guide Questions): Guide Questions: 1. What are the 2 kinds of eclipses? 2. Describe the difference between umbra and penumbra. According to the National Aeronautics and Space Administration , or NASA , " An eclipse happens when a planet or a moon gets in the way of the Sun’s light." Two kinds of eclipses on Earth: 1. solar eclipses 2. lunar eclipses Two distinct parts of the Earth’s shadow during a solar eclipse : 1. Umbra – refers to the darkest part of the moon’s shadow formed on the Earth where a total solar eclipse is seen 2. Penumbra – refers to the lighter part of the moon’s shadow formed on the Earth where a partial solar eclipse is visible Two distinct parts of the shadow created during a lunar eclipse : 1. Umbra – the darker inner region of the Earth’s shadow where all the sunlight is blocked out 2. Penumbra – the lighter outer region of the Earth’s shadow where the sunlight is partia...
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Hi!

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I'm Diane, your E-learning Virtual Assistant. I help the teachers and the E-learning industry focus on their lessons and free up their time by solving their instructional design and technology problems. I transform their technical content into engaging and interactive e-learning lessons - with presentations or review games. I also make animated videos based on the topic. As a former High School Science Teacher, I've learned that students learn more if the lessons are fun and engaging. I've always incorporated games in my teaching so that my students will enjoy Science, especially Physics. Please check the Science videos on my YouTube channel - E-learning Virtual Assistant . Playlists of Science videos (some videos have interactive games - link in the video description): 🌏  Earth Science 🔬  Biology 🌡  Chemistry 🧲  Physics Please  Subscribe  for more educational videos -  E-learning Virtual Assistant   **LET'S CONNECT**   Facebook Page:...
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Greenhouse Effect

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Greenhouse Effect Simple video animation Water vapor  - the concentration of this gas is largely controlled by the temperature of the atmosphere. Carbon dioxide - a good absorber of energy (infrared radiation) and the most common gas produced by human activities. Methane - 30 times stronger than carbon dioxide as an absorber of infrared radiation. However, it is present in smaller concentrations. Nitrous oxide - a relatively long-lived gas that has increased in atmospheric concentration due mainly to agriculture. Ozone - a highly reactive gas, both a natural and a man-made product. Halocarbons - composed of carbon, chlorine, fluorine, hydrogen, and chlorofluorocarbons or CFCs. CFC gases can absorb more infrared radiation than any other greenhouse gas. 1. The Sun’s heat enters the atmosphere as SOLAR RADIATION. 2. About half of the heat is reflected or absorbed by clouds and the atmosphere. 3. The rest reaches the Earth, where it absorbs by oceans and land. 4. The Earth also release...
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