Geological Time
Timescale used to "map" out earths history using fossil and rock records
What it Geological Timescale
what season is it when Canada is facing toward the sun?
What is Summer
Term used to describe a natural Process by which soil, rock, and other materials are gradually worn away, transported and reshaped
What is erosion
term used to describe an idea intended to explain something supported with evidence.
What is a theory
What is my favourite sport ?
What is hockey
How is the geological time scale broken down (4 parts)
What is Eon, Era, Periods, Epochs
It takes Earth 365 days to __________ around the sun
What is orbit
Canyons are a result of which type of erosion?
What is Water erosion
Nickname given to earths position in space
What is the goldilocks zone
Day when the sun is at its highest point
What is Summer solstice
What are 4 key geological events that has had a major impact on the world we have today?
What is great oxygenation event, mass extinctions, continental drift, evolution of life
Earths axis is tilted...
What is 23.5 degrees
What are the 3 erosional agents (3 ways erosion takes place)
What is ice, water, wind
What are the 4 theories/hypothesis' we looked at in this lesson?
What is big bang theory, nebula hypothesis, continental drift theory, plate tectonic theory
sand dunes are a result of which type of erosion?
What is wind erosion
what are the 4 main eras in the geological time scale ?
What is Precambrian, Paleozoic, Mesazoic , Cenozoic
Why is it hotter at the equator?
What is, suns radiation is concentrated on a smaller area due to the curvature of earth
How are river valleys formed?
What is over time rivers carry sediments away which gradually wear away rock and soil. as the river erodes the land, it deepens the valley
give me 2 piece's of evidence Alfred Wegner used to explain his theory
What is Coastline fit, fossil correlation, geologic similarities, glaciation
How old is the universe?
13.8 billion years old
How old is the earth?
What is 4.6 billion years old
What are the 5 climate zones?
What is polar, arid, tropical, temperate & Monsoonal
How are U-shaped valleys formed?
What is glaciers slowly carve and widen valleys over time, giving it a U-shaped look
3 affects of living in the "habitable" zone
What is temperature regulation, liquid water, breathable atmosphere
What is a moraine?
What is as glaciers move through the landscape they transport debris and deposit it. These deposits are known as moraines.