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omnisci1q
1st quarter 9 week exam study cards ch 1,3,4,5
| Question | Answer |
|---|---|
| galaxy that is young with a huge black hole in its center | quasar |
| reaction that occurs in a typical star | nuclear fusion |
| Everything that exists everywhere | universe |
| galaxy that is shaped like an oval | elliptical |
| “an object at rest stays at rest.” | Newton’s 1st law |
| law that accounts for why all planets stay in orbits around the | Universal Gravitation |
| Galaxies lacking any regular shape | irregular |
| shows relationship of star temperature vs. brightness | H-R diagram |
| extreme supernova collapse form it | black hole |
| The majority of stars | main sequence |
| coolest star color | red |
| hottest star color | blue |
| average temperature star color | yellow |
| how bright a star actually is | absolute |
| how bright a star appears to be | apparent |
| approximate diameter of our galaxy | 100,000 light years |
| approximate distance to nearest star | 4 light years |
| approximate distance Earth to sun | 100 million miles |
| approximate diameter of sun | 1 million miles |
| common measurable unit term for sun to orbit of Earth distance | A.U. |
| approximate diameter of Earth | 8000 miles |
| billions of stars grouped together, held by gravity | galaxy |
| massive star explodes and initially becomes this | supernova |
| our sun is expected to be this next | red giant |
| our galaxy has these 'parts' | arms |
| Enormous loops of gas | solar prominences |
| emits a beam of light like a lighthouse | pulsar |
| how gravity gradually built our solar system | accretion |
| stage after red giant | white dwarf |
| Waves of electrical particles that reach Earth | solar wind |
| temperature water boils (Celsius) | 100 |
| temperature water boils (Kelvin) | 373 |
| temperature water boils (Fahrenheit) | 212 |
| temperature water freezes (Celsius) | 0 |
| temperature water freezes (Kelvin) | 273 |
| temperature water boils (Fahrenheit) | 212 |
| temperature lowest (Kelvin) | 0 |
| number of millimeters in a meter | 1000 |
| offical temperature scale of science | Kelvin temperature scale |
| world's most commonly used temperature scale | Celsius temperature scale |
| our state's most commonly used temperature scale | Fahrenheit temperature scale |
| to weigh things in Newtons, one uses this scale | spring |
| the number that happens most often | mode |
| the number that represents the average | mean |
| the number that is the midpoint of a set of numbers | median |
| observations involving data with numbers | quantitative |
| observations involving data with no numbers | qualitative |
| will show how a dependent variable changes in response to the independent variable | line graph |
| object described as a 'dirty snowball' | comet |
| object described as a rock that survives entering Earth's atmosphere and then crashes down in your yard | meteorite |
| object described as one that burns up entirely as it enters Earth's atmosphere | meteor |
| object described as rocky that does not orbit the sun | meteoroid |
| object described as rocky that does orbit the sun | asteroid |
| He's responsible for Universal Gravitation law | Newton |
| He's responsible for 3 laws of planetary motion | Kepler |
| He's responsible for discovering moons revolving around Jupiter | Galileo |
| type of eclipse possible when the earth is in between the moon and sun | lunar |
| type of eclipse possible when the moon is in between the Earth and sun | solar |
| planet closest to the sun | Mercury |
| planet closest in SIZE to the Earth | Venus |
| planet with axis lying down on its side | Uranus |
| longest day occurs on this day | summer solstice |
| shortest day occurs on this day | winter solstice |
| neither pole points toward sun on these days | equinoxes |
| it's what the moon DOES right after a new moon | waxes |
| its what the moon DOES right after a full moon | wanes |
| it's the phase of the moon you see when the moon has gone half way from new to full. | first quarter |
| it's the phase of the moon you see when the moon has gone half way from full to new. | third quarter |
| planet that exhibits retrograde rotation | Venus |
| stars are born here | nebula |
| An example of a spiral galaxy | Milky Way |
| where many years ago people thought all sky objects were located upon | celestial sphere |
| specific phase right after third quarter moon | waning crescent |
| specific phase right before first quarter moon | waxing crescent |
| what the word 'planet' means | wanderer |
| what the word 'solstice' means | sun stands still |
| alignment of sun, moon and Earth during spring tides | straight line |
| alignment of sun, moon and Earth during neap tides | right angles |
Created by:
schneiderw11
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