Earth's History
longest periods of time
What type of rock do fossils mainly show up in?
Sedimentary
What is relative dating?
Estimating a rocks age by the layers and surrounding objects (possible fossils)
Hottest layer of the earth
Inner core/core
How is igneous rock formed?
the cooling of maga (intrusive igneous) and the cooling of lava (extrusive igneous)
how many eyes do caterpillers have? (1-12)
12
define a fossil
preserved animals, traces of remains or ancient organisms.
What is a geologist
Someone who studies rocks and minerals
What layer does the tectonic plates reside
on top of the athenosphere. (Lithosphere broken into pieces)
How is metamorphic rocks formed?
Heat and pressure
What was the main organism during the Mesozoic era?
Dinosaurs
Give me three properties of mineral that help identifying. (What do we look at?)
color, streak, hardness, cleavage and fracture, luster and density
What is law of superposition
the law states that older rock was laid down first
Define convection currents, where they are located and what makes them move
A circular movement in the mantel that is produced by the heat of the core.
How are sedimentary rocks formed?
Compacting and cementing
What is our current Era?
Cenezoic
What is the popular red flowered Christmas plant called?
poinsetta
Which continent has the south pole?
Anatartica
Mtns
What animal has the highest blood pressure
Graffi
How many days in a leap year?
366
Where is the smallest bone located in the body?
The inner ear
What is it called when twins dont look alike?
faternial
Name the three types of plate boundaries
Convergent, divergent, transform
What is the difference between erosion, weathering , and deposition?
Weathering: the breaking down of rocks due to wind, water, rain (weather related)
Erosion: the movement of sediments
Deposition: The final placement of the sediments