Vocab
Preserved remains of something that was once living
Where are older rocks always located?
How does sedimentary rock form?
What is weathering, erosion, deposition
Plate tectonics are constantly _________________.
What is moving.
This is the process of determining the order of past events compared to other events.
What is the law of superposition/geologic time scale
What could have caused an younger rock layer to be below an older layer.
What must happen for a sedimentary rock to turn into a metamorphic rock
What is temperature and pressure
According to Wegener's hypothesis the continents once formed a _______________called ______________.
This states that younger rocks always lie above older rocks.
What is the law of superposition
Fossil A is found near the surface of the ground. Fossil B is found much deeper down. Would these fossils have formed at the same time? Why/why not?
What is no, different layers.
Deforestation occurs when large areas of trees are cut down. Which of the following impacts on the environment would result from deforestation?
A. increased erosion
B. older temperatures
C. greater oxygen production
D. decreased carbon dioxide
What is increased erosion
Why don't the present shapes of continents fit perfectly into a supercontinent?
What is the continents have changed shapes from natural forces.
What is created by weathering and erosion?
What is sediment
Which of the following statements is true about index fossils?
A. They are preserved in metamorphic rock.
B. They are the trace remains of organisms that recently died.
C. They are found in rock layers around the world.
D. They are found in rock layers over many geologic ages.
What is they are found in rock layers around the world.
A stream carves a channel through soil rock by removing a few small particles of rock at a time. The stream water slows down when it enters a pond, allowing the rock particles to settle at the bottom of the pond. Eventually these particles form into a solid rock. What is the new rock called?
What is sedimentary rock
What powers the movement of tectonic plates?
What is convection currents.
An ordered arrangement of rock layers that is based on the relative ages of the rocks.
What is the geologic column
If a fossil is found in a particular rock layer, what can we say about both the fossil and the rock layer?
What is they formed at the same time.
Human actions can cause significant changes to the Earth’s surface. Increased air pollution and acid rain can cause which of the following to most likely increase?
A. Erosion
B. Earthquakes
C. Volcanic activity
D. Chemical Weathering
What is chemical weathering.
Alfred Wegener believed that all of the continents were once connected into a super continent landmass called Pangaea and that over time the continents drifted apart. List two (specific pieces of evidence to support the theory of Continental Drift
What is fossils on different continents and where mountains are formed.