Term
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Definition
| Age based on age of other objects |
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Term
| Relative age is determined by what? |
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Definition
- Principle of Unniformatarianism
- Law of Superposition
- Law of Crosscutting Relationships
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Term
| What is the principle of Uniformitarionism |
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Definition
| That geologic processes that operate today are the same as those of the past |
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Term
| What is relative age affected by? |
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Definition
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Term
| What is the law of super position? |
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Definition
| In a sedimentary rock the layers get older as you go down |
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Term
| What is the law of crosscutting relationships? |
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Definition
| A body of rock is younger than the rock layers that cut through it |
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Term
| Who was the Scottish naturalist, physcisist, farmer, the father of Geology who proposed the Principle of Uniformitarians? |
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Definition
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Term
| What does the principal of Original Horizontality explain? |
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Definition
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Term
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Definition
| A break in rock record caused by uplifting, weathering, and erosion |
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Term
| What are the types of unconformity? |
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Definition
- Nonconformity
- Disconformity
- Angular Unconformity
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Term
| What are the causes for unconformity? |
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Definition
- Uplifting
- Weathering
- Erosion
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Term
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Definition
Unlayered rock that is uplifted without folding or tilting
in which uplifted rock eroded and sediments are deposited on the eroded surface |
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Term
| What are the types of unlayered rock? |
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Definition
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Term
| What is a type of layered rock? |
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Definition
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Term
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Definition
Layered rock is uplifted without folding or tilting
Uplifted rock erodes
The rock then subsides and deposition resumes |
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Term
| What is angular unconformity? |
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Definition
Layered rock that is uplifted with folding or tilting
Uplifted rock is eroded
When erosion stops deposition resumes
Forming new horizontal layers |
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Term
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Definition
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Term
| Angular unconformity creates vertical or horizontal layers of rock? |
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Definition
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Term
| What is the absolute age? |
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Definition
| Numerical age of an object |
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Term
| What is absolute age determined by? |
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Definition
- Rates of erosion
- Rates of deposition
- Varve Count
- Radiometric Dating
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Term
| What are the types of Radiometric dating? |
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Definition
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Term
| Every billion years or every half life rocks breakdown by a rate of? |
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Definition
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Term
| What are the most common elements used to determine half-lives? |
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Definition
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Term
| Carbon is good for identifying the age of what type of materials? |
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Definition
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Term
| Trans-Uranium elements that are highly radioactive and decay in a short ammount of time are? |
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Definition
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Term
| List the synthetic elements? |
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Definition
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Term
| The same method used to identify the age of rocks on Earth is the method we use for what? |
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Definition
| Identify the age of the universe |
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Term
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Definition
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Term
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Definition
| Clusters of galaxies that make up the universe |
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Term
|
Definition
| Collections of stars, gas, and dust bound by gravity |
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Term
| What is the most abundant state of matter in the universe? |
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Definition
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Term
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Definition
| Special unit for space 9.46 x 1012 km |
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Term
| What is the distance of an astronomical unit? |
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Definition
| 150 million kilometers the average distance between Earth and the Sun |
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Term
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Definition
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Term
| Scientists use what tool to study space? |
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Definition
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Term
| List the tools of the astronomer: |
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Definition
- Refracting telescope
- Reflecting telescope
- Spectroscope
- Radiotelescope
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Term
| Tools of the astronomer gather radiation to do what? |
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Definition
| Create images of the universe |
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Term
| What are the two types of ground based optical telescopes? |
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Definition
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Term
| Refracting telescopes use? |
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Definition
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Term
| Reflecting telescopes use? |
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Definition
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Term
| Radio telescopes use what? |
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Definition
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Term
| What are the three types of radiation viewed by space-based telescopes? |
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Definition
- Gamma Rays
- X-Rays
- Ultraviolet Rays
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Term
| What are the forms of space exploration? |
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Definition
- Telescopes
- Rockets
- Unmanned space probes
- Manned Spacecrafts
- Space Shuttle
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Term
| What is the law that force exerted by every object on everyother object? |
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Definition
| Law of universal gravitation |
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Term
| What is the measure of the force of gravity? |
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Definition
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|
Term
| What depends on mass and distance? |
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Definition
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Term
| What are the two types of elliptical orbits? |
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Definition
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Term
| What is the type of elliptical orbit that is farthest from the sun? |
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Definition
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Term
| What is the type of elliptical orbit closest to the sun? |
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Definition
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Term
| What is it called when an object orbits another object? |
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Definition
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Term
| What is it when an object spins on its axis? |
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Definition
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|
Term
| What is one period of a revolution? |
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Definition
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|
Term
| What is one period of a rotation? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| The Sun rotates from what side to what side? |
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Definition
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Term
| Each degree is how many minutes? |
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Definition
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Term
| < of the international dateline you what? |
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Definition
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Term
| > of the internation dateline you what? |
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Definition
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Term
| Earth's revolution and axis tilt result in? |
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Definition
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Term
| Earth's tilt of 23.5o always points toward what star? |
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Definition
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Term
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Definition
| equal day and night, the sun hits the equator at a 90 degree angle |
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Term
| Spring in the north the vernal equinox begins when? |
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Definition
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Term
| Summer in the north the summer solstice begins when? |
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Definition
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Term
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Definition
| The sun hits Earth really far south or north effecting our daylight |
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Term
| Autumn in the north the autumnal equinox which causes day to get shorter is when? |
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Definition
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Term
| Winter in the north in which daylight is shorter is when? |
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Definition
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Term
| The equinox always hits where? |
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Definition
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Term
| The summer solstice is in what tropic? |
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Definition
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Term
| The winter solstice is in what tropic? |
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Definition
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