Science Midterm
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| crystallization | the process by which atoms are arranged to form a material with a crystal structure
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| barred spiral | looks like a spiral galaxy with a bridge of stars connecting the arms.
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| parallax | the apparent shift in the position of an object when viewed from 2 different places. uses background stars and position of earth.
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| Spitzer | a telescope that collect radiation to create and image of the star
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| Chandra | a telescope that collects x-Rays used to detect and study blackholes
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| frequency | the number of waves that pass a point in given time
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| satellite | any object that orbits another object
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| Oort cloud | comet nursery that lives by Pluto, collection of baby comets
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| coma | outer edges of comet nuclei that slush when heat is introduced
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| tail | found when solar wind pushes coma away nuclei
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| nuclei | frozen mass
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| comet | dust, ice and rock following orbit
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| meteorites | very rare occasion when meter hits earth's surface
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| asteroids | rocky bodies between Mars & Jupiter - following orbit around the sun
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| light year | the distance light travels in one year
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| astronomical unit | the average distance between Earth and the sun
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| Greenhouse Effect | ridiculously thick cloud cover, lets heat in but traps heat in, making it very hot
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| aurora | colored lights at the poles where solar wind enters atmosphere
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| sunspot | areas on the photosphere of the sun and surrounding area. suspected to tie to magnetic field, always in pairs. occur on 11 year cycle
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| solar flare | column of plasma that escapes off the sun. found near sun spots
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| corona | halo of light only visible during an eclipse. second layer of sun's atmosphere
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| photosphere | visible surface of the sun
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| convection zone | uses convection currents to carry heat/light
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| solar prominence | loop of plasma that escapes from the surface of the sun
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| protostar | baby star formed from whirlpools in nebula. once fusion starts, then it enters the main sequence.
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| H-R diagram | uses a stars absolute magnitude and color to indicate where it is in it's life cycle
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| 1/10 up to 10x the size of the sun | medium size
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| over 100x the diameter of our sun | supergiant
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| spectroscope | takes star light and puts it through a prism to create a "special fingerprints" which is unique to the star
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| reflecting telescope | uses curved mirrors to enlarge the image
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| meteoroids | rock and metal bodies floating in space
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| laws of conservation of science | matter cannot be created or destroyed, only change form
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| core | site of nuclear fusion. hydrogen turns into helium
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| spiral | stars arranged in a pinwheel fashion with empty space in the center
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| open clusters | groups of stars with a loose disorganized appearance and contains no more then a few thousand stars.
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| radiation zone | tightly packed are of the sun where particles are moving towards the surface
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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