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The Naturalist Introduction: Earth Day with Children (11:58)
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Bernie Wides, The Naturalist, The Earth, Earth Day, Earth has lots of water, we should take care of the Earth, she is 8, animals need rain forests to live, could we live on another planet?, Bernie interviews Alexa about the Earth, Alexa is 6 years old, Bernie interviews Zoe,How Did The Earth Form? (7:02)
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how did the Earth form, the sun and its family of planets formed from a cloud of dust and gas, 4.6 billion years ago, several million years later the outer crust formed, the Earth formed originally when the solar system formed, the Earth was formed from leftover material, gas giants, made of hydrogen and helium, rocks of the lunar highlands, molten rock, magma, the moon is a dead body,The Differentiation of the Earth (10:17)
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igneous rock, modern volcanic gases, volcano from Iceland, spweing ash into the atmosphere, volcanos had a huge effect on how the Earth formed, they bring fresh minerals to the surface, Earth is the only object in our solar system that can support life, the Earth's climate has been consistant for a long time, the Earth has cooled, but because of greenhouse gasses the Earth is heating up again, we don't know how life began, the age of microbes, life existed 3.9 million years ago, Stromatolite, why is the Earth habitable, the oceans are a moderating influence on the Earth, life needs energy, we are the perfect distance from the sun, heat from the decay of radioactive elements in the Earth from when it first formed, the core of the Earth is hotter than the surface of the sun, the Earth is like a giant magnet, the Earth's magnetic field deflects the Sun's harmful radiation, the core of the Earth creates the magnetic field, slow moving core creates a motor, Venus is 900 degrees Fahrenheit, Mars is about minus 300 degrees Fahrenheit,Download MP3 (Full Episode)
Download MP3 (Full Episode)








