What variables will change the rate of half-lives?
a. Size of the rock b. Depth in Earths surface C. Age of the rock D. Nothing will affect the rate
What is D, Nothing will affect the rate?
100
Which process involves either a physical or chemical breakdown of earth materials?
A.Deposition B.Sedimentation C.Weathering D.Cementing
What is C, weathering?
100
The slower magma cools the ________ the crystals form
What is larger?
200
According to the theory of plate tectonics, the distance between 2 continents on opposite sides of a mid-ocean ridge will generally in which direction?
What is away from each other?
200
What is the approximate latitude and longitude of Kingston, NY?
What is 42 N, 74 15' W?
200
Ancient bone was found to contain carbon-14 that had decayed for nearly 2 half-lives. How old is the bone?
What is 11,400 years old?
200
Which factor has the least effect on weathering?
A. Climatic conditions
B. Composition of rocks
C. Exposure of the rock to the atmosphere
D. The number of fossils found in the rock
What is D, the number of fossils found in one rock?
200
Name three properties used to determine a mineral
What is hardness, streak, luster, composition, cleavage, fracture?
300
How much time is required for a P-wave to travel 6,000 km ?
What is 9 min 20 sec
300
When did the Jurassic Period approximately end?
What is about 144 million years ago?
300
A saber-toothed tiger that died 30,000 years ago. The age of the skull could be determined most accurately by using what isotope?
What is Carbon-14?
300
A rock is broken down into smaller pieces. Compared to the larger pieces, the smaller piece will weather at a _________ rate.
What is a FASTER rate?
300
What are the hardest and softest minerals
on the Mohs hardness scale?
What is diamond is the hardest, and talc the softest?
400
A seismograph station records a difference in arrival time between the S & P waves of 4 min. About how far away is the earthquake epicenter?
What is 2,600 km?
400
Which form of life existed on the Earth for the LONGEST period of time?
a. Trilobites b. armored fish c. flowering plants d. dinosaurs
What are trilobites?
400
What percentage of carbon-14 will remain after 28,500 years?
What is 3.125%?
400
Looking at image A on the board, list at which points deposition and erosion will occur.
What is A. Erosion, B. Deposition?
400
What are a series of processes on the Earth's surfaces &
interior that slowly changes rocks from one kind to another
What is the rock cycle?
500
A seismic recording station is 7,700 km from the epicenter. If the P-wave arrived at this station at 2:15 PM, at approximately what time would the earthquake most likely have occurred?
What is 2:04 pm?
500
A well was drilled in Syracuse, NY. The first bedrock layer reached by the drill formed during which period?
What is the Silurian?
500
A mammoth bone that originally contained 200 grams of c-14 now only contains 25 grams of C-14. How many half lives has passed?
What is three half-lives?
500
List the order in which the following particles will be deposited as water from a stream enters and ocean.
Silt
Sand
Clay
Pebble
Cobble
Boulder
What is boulder, cobble, pebble, sand, silt and clay.
500
When a metamorphic rock has its grains arranged in parallel layers it is ________