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| the increase of gravity pulling inward |
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| A cloud of intersteller gas and dust |
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| A hot condensted object at the center of a Nebula |
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| The first reaction to nuclear fusion is to- |
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| convert Hydrogen into Helium |
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| A collapsed core of a star that forms quicly while the outer layers fall inward |
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| a spinning neutron star the exhibits a pulsing pattern |
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| Massive explosin that occur when the outer layers of a star are blown off |
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| small extremely dense remnant of a star whose gravity is so immence theat not even light can escape it. |
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| What are the most abundant elemst found in a star? |
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| current theory that explains how the niverse was formed? |
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| What cant eh spectra of light from a star tell us about the star? |
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| The elemts that make it up. |
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| A plants sweeps out equal amounts of area in equal amounts of time |
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The study of the universe
-it's nature, orgin, and evolution- |
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| The Universe's two opposing forces? |
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| momentum of the outward expansion oppsed by the inward force of gravity acting on the matter of the universe to slow the expansion |
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| What must be known in order to canculate the age of the univ.? |
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| Univ. expands and never contracts |
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| the univ. expands and then contracts |
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| the expansion slows to a halt in a certain amount of time |
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| Cosmic Background Radiation |
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| Weak radiation that appeared to come from all directons in space |
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| What instrument is used to study the surfaace of the ocean floor? |
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| Convergent, Divergent, and Transform |
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| What fetures corrospond with each of the types of plate bounderies |
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C - mount.
D - rift valleys
T - fault line |
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| occurs when flow in the outer core changes and Earth's magnetic feild changes direction. |
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| the stud of Earth's magnetic feild |
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| an imaginary line ona map that shows points that have the same age - that is formed at the same time. |
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| the pbroken peices of the crust that lie on the mantle and fit together |
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| the factor that is changed by the experimenter |
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| the factor that is affected by the changes |
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| used to compare redults to |
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| does not include a control |
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| when all aspects can be controlled |
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| Layers of the Armosphere from clostest to farthest away |
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toposphere
stratosphere
mesophere
thermosphere
exospere |
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-found in the stratoshpere
-absorbs ultraviolet rays from the sun |
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cold
warm
occluded
stationary |
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-cold air forces warm air upward
-intense precipitation and thunderstorms |
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-warm air displaces cold air
-widespread light precipitation |
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| describe stationary front |
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-when two air masses meet but neither advances
-light winds and precipitation |
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-when two cold air masses met and for warm air upward
-strong winds and heavy precipitation |
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l>
l>
l>
l>
what front does this belong to? |
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Cl
Cl
Cl
Cl
what front does this sign belong to? |
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Cl
l>
Cl
l>
what front does this sign belong to? |
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Cl
<l
Cl
<l
what front does this sign belong to? |
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| describe a high high pressure system |
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-sinking air moves away from center when it reaches the surface
-pleasent/fair weather |
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describe movement of air in the hemisphere for a:
high pressure system |
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NH: clockwise
SH: counterclockwise |
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| describe a low pressure system |
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-air spirals inward then upward
-air condenses into clouds and precipitation |
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describe movement of air in the hemisphere for a:
low pressure system |
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Definition
NH: counterclockwise
SH:clockwise |
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