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Terms in this set (45)

How many eras is the geologic time scale divided into?
4 (Paleozoic, Mesozoic, Cenozoic and Phanerozoic)
How long in a geologic time period?
Varies
The ________ era was dominated by dinosaurs.
Mesozoic Era
An undisturbed sedimentary layer is _____ than the layer above, and ____ than the layer below.
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Fossils are most common in what rock types?
Sedimentary
What are the 3 types of rock?
igneous, sedimentary, metamorphic
What era are we currently in at this time?
Cenozoic Era
The earliest forms of life occurred during the ____ era.
Precambrian Era
Current scientific evidence shows that the Earth is estimated to be _______ years old.
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Why was the geologic sandwich so hard to make?
You didn't know you had to overlap them.
List the 4 eras in order from the most recent, to the one that occurred the longest ago.
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If you start with 48 atoms of a radioactive substance, how many would remain after one half-life? Four half-lives?
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In the activity, "How do you stack Up?," describe how you were able to make the 4 geological columns. What helped you?
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Use the 4 Earth Spheres to answer the following:
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*bat finds shelter in caves
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*we make energy by burning fossil fuels
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*a farmer plowing a field to plant crops
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*a meteorite is _____ to ________
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*a thunderstorm is a connection between?
What do you call the solid, rocky shell composing about 82% of the Earth's volume?
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Which of the Earth's layers is ALL solid iron and nickel?
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As you travel from the inner core of the Earth to the crust, how would temperature, density, and pressure of the material change?
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What layer of Earth is the thickest part?
The mantle
In the lab, "Mountain to Molehill," describe what happened to the rock as it went from 0-600 shakes in your trial?
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What characteristics made it easier to identify minerals? Why?
Sheets and magnetism because it's rare to have that characteristics.
Referring to our Impact Crater Lab, if a meteorite were to hit Gurnee, what angle of impact would you prefer it hit the ground with? Provide evidence for your answer.
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The activity simulation you embarked on in class called, "The Far Flung Fossils," helped to explain the Theory of Continental Drift using fossil evidence. Explain, using at least 3 pieces of evidence, why this activity supports this theory.
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What is the idea of Continental Drift and Plate Tectonics?
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Let's tie together our Human Impact Article Analysis with our Disaster Mapping activity. Were there any earthquakes noted in the middle of a continent or tectonic plate? Based on the article you read called, "Man Made Earthquakes," do you think this is unusual? Why or why not?
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A deficit in natural resources occurs when...
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A surplus in natural resources occurs when... (for both of these questions think in terms of consumption and production)
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List 2 ways YOU can help to conserve natural resources.
Use other renewable resources and buy locally
Use what you learned about the 16 out of 45 countries listed in our "Natural Resources Distribution" activity that are in the Top 10 for more than one resource...to provide a possible explanation.
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What do scientists believe is causing the Anthropocene extinction?
The Anthropocene extinction is being caused by humans and their negative impact on the environment
Explain the differences between the Pre-Mining area drawing and Post-Mining drawing.
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Explain the concept of Natural Selection.
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What was so special about the Galapagos Islands and Darwin's visit there?
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What do we call it when an organism completely dies out?
Extinction
The gradual change in species over time is called?
Evolution
What characteristic did Darwin observe about the finches on the Galapagos Islands?
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What do we call a genetic difference between the organisms of the same species?
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According to Darwin, and his finches, what was the advantage he could see to having different size beaks?
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Why has the original fox animal species, evolved into 2 new species, the red and the silver fox, overtime?
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When a DNA sequence is copied, sometimes mistakes occur in the new strand of DNA. What do we call these mistakes?
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Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?
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