MODELS AND HOW THE UNIVERSE BEGAN. ***Field Studies and Models *** Field Studies - when nature is...
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Transcript of MODELS AND HOW THE UNIVERSE BEGAN. ***Field Studies and Models *** Field Studies - when nature is...
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MODELSAND HOW THE UNIVERSE BEGAN
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***Field Studies and Models ***Field Studies - when nature is observed in its natural state
Models - using computers to make a representation of a process, idea, or structure
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PHYSICAL MODELS• A material
representation of something.
• Can be touched, seen, or manipulated.
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MENTAL MODELS
• A mental idea or a collection of ideas or facts.• The thoughts you have about the topic.• Examples: a mental picture of Jupiter, what you
know about the White House
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MODELS• Based on:• Many observations• Assume things will continue to
behave as they have in the past
• If not accurate:• Changed to fit new info• Discarded if they can’t be fixed (this
a LAST resort!)Model of the evolution of man
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MODELS ARE A USEFUL TOOL
• A tool to help:• Make observations• Explain how things work• Make accurate predictions• Think of new areas to investigate
Model of climate change: blue is cold; red is hot
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How would you make a model of:
1. Your home?
2. This classroom?
3. A dissected frog?
4. Climate change?
5. The solar system?
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IT ALL STARTED….With a “bang” 13.7 billion years ago, and the universe has been expanding ever since.
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BIG BANG THEORY
• Mental model about the formation of the universe.• Gravity caused matter to
come together to form planets, stars, etc.