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22 Cards in this Set
- Front
- Back
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Model
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Illustrates how systems work; not completely accurate
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Limitations of Models
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Can be too simplified
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3 Models of the origin of the universe
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Big Bang, Oscillating, Steady State
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Big Bang Model
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Universe started as a single point and exploded; Universe is constantly expanding
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Oscillating Universe Model
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Universe has cycles of expansion and contractions
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Steady State Theory
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Universe is static; Universe has always looked as it does now
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Edwin Hubble
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Classified galaxies by shape
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What are the 3 shapes of galaxies?
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Spiral (milky way), elliptical, and irregular
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Sunscreen
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Limits the amount of UV light that reaches the skin
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The higher the SPF...
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The longer amount of time you can spend in the sun
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Probewear is good for...
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collecting and graphing multiple sets of data
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What is the significance of the Hertzsprung-Russel diagram?
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It allows scientists fo classify stars and predict how they change over time.
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If the frequency of the wave changes, than what part of the wave changes?
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wavelength
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Sound Wave
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Requires matter to move energy
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What type of electromagnetic wave has the highest frequency?
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Gamma rays
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What is the best software to use to create an outline and graphic organizer?
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Inspiration
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Concave lens
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thinner in the middle than at the edges
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Convergence
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Light rays come together to form an image
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Excel is best used for
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spreadsheets
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Convection
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Warm matter rises to the tops as cooler matter sinks down to the bottom; ex: pot of boiling water
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Most weather systems travel west to east. What is the main cause?
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Global Wind Patterns
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Density of cold water vs. warm water
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Cold water is denser
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