History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200...

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History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the Earth Major Events Timelines Pictures Earth’s Future Final Jeopardy

Transcript of History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200...

Page 1: History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the EarthMajor.

History of the Earth Jeopardy

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Before the Earth Major Events Timelines Pictures Earth’s Future

Final Jeopardy

Page 2: History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the EarthMajor.

How long ago did the “Big Bang” occur?

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13.7 Billion Years Ago

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What is the name our galaxy and the name of the closest galaxy to our

own?

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Ours - The Milky WayClosest - The Andromeda

Galaxy

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What is theorized to be at the center of every galaxy?

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Super-massive Black Holes

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How did the moon form?

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A 5th inner planet named Theia smashed into Earth 4.6 bya and

blew debris into orbit. Eventually, the debris formed an accretion

disk and soon thereafter coalesced into the moon

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What are the “seeds” of stars,

planets, and entire solar systems, how do these

“seeds” arise, and what are these “seeds” made of?

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11Solar Systems (etc) are formed from nebulas

Nebulas come from exploded supernovas

Nebulas are comprised of the 92 naturally occurring elements

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What was the Cambrian

Explosion and what was the end

result of the event?

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Explosion of life at the beginning of the Phanerozoic Eon

Result – All present animal Phyla developed during the Cambrian Explosion over the course of 20 million years or so

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Compare and contrast the P-T and K-T Extinctions on the basis of cause, the time

in which they occurred, and the end result of the

extinctions

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15P-T – Caused by the formation of Pangaea and

the super-volcano eruption that occurred in present-day Siberia about 251 mya - Resulted in the death of 83% of all animal genera

K-T – Caused by an asteroid impact near the Yucatan Peninsula 65 mya- Resulted in the extinction of the dinosaurs

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What caused the Snowball Earth event and how did this event come to an end?

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17Cause – Proliferation of photosynthetic organisms began to draw too much CO2 out of the atmosphere causing it to cool down rapidly

End – The frozen landscape allowed very little photosynthesis to occur. Additionally volcanism was releasing high amounts of CO2 into the atmosphere. Eventually the CO2 rose to a point to melt the Snowball Earth

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What was the defining event that led to the ability of single-

celled organisms to begin to form multicellular organisms?

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Atmospheric oxygen rose to a point high enough for massive

amounts of collagen to be produced

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Why was the “Late Heavy Bombardment” so important in the

development of life on Earth?

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It brought most of the water to the Earth as well as the amino acids

essential for life to exist

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The first 3 Eons of Earth’s history are collectively

known as what?

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The Precambrian

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In which Eon did Snowball Earth occur?

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Proterozoic

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In which Period did dinosaurs reach their peak

diversity?

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The Cretaceous Period

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Describe the following 3 Eras of the Phanerozoic

PaleozoicMesozoicCenozoic

Page 29: History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the EarthMajor.

29Paleozoic – Formation of all present animal

phyla, formation of Pangaea, colonization of land by plants & animals

Mesozoic – The Age of Dinosaurs (Earth was hotter & wetter with lots of jungles &

swamps)Cenozoic – The Age of Mammals (Earth got much cooler & drier and the jungles/ swamps gave way to grasslands)

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What is the balanced formula for photosynthesis?

Label the following time periods as either an Eon, Era, Period, or Epoch.

Pleistocene HadeanPaleozoic TriassicCambrian Phanerozoic

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Pleistocene - EpochHadean - Eon

Paleozoic - EraTriassic - Period

Cambrian - PeriodPhanerozoic - Eon

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32What is the name of the landmass pictured below and what was the

climate like throughout much of the interior of the landmass?

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Pangaea – Most of the inner landmass was

scorching desert

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What is the name for these mounds of photosynthetic bacteria that are

responsible for the majority of the atmospheric oxygen on earth?

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Stromatolites

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36What is the name of this

fractal organism that may be found in 560 million year old

rock all over the world?

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Charnia

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38What does the following figure show

about the development of Homo sapiens over the last 1 million years?

Page 39: History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the EarthMajor.

39Other species of the Homo genus competed with Homo

sapiens for resources. Eventually Homo sapiens

were the only species left by 30,000 years ago

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40What is tidal braking?

Page 41: History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the EarthMajor.

41The moon pulls on the tidal bulge in the opposite direction of the spin of the Earth. Resulting friction between the ocean water and the ocean floor constantly slows the spin of the Earth.

(The moon is speeding up at the same time)

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In how many years from now is the Earth

expected to enter a new ice age?

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Approximately 25,000 years

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44What theory predicts that the Atlantic ocean will reach a

maximum size, collapse, and that the continents will then

come back together in a formation similar to

Pangaea?

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Introversion Theory

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What will happen once the moon leaves earth’s orbit and flies off

into space?

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The moon will cease to stabilize Earth on its 23.5° axial tilt and it will begin to tumble around its

axis causing the climate to destabilize forever

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Which would have a more devastating impact on life on Earth? Explain.

Formation of a New Super-continent

Or

Solidification of Earth’s inner core

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Super-continent – May cause extinctions and change weather patterns

Solid Core – Magnetic field around the Earth would break down and solar radiation would destroy all DNA it touched (Much worse fate)

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Compare and contrast “The Big Crunch” and “The Big Freeze”

Page 51: History of the Earth Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 Before the EarthMajor.

51The Big FreezeProposes that our universe is open & will continue to expand and lose heat until it is completely dark and everything in the universe is at absolute zero

The Big CrunchProposes that the mass of the universe will eventually overpower its expansion & it will contract back to a singularity similar to the one that brought about the Big Bang. Predicts a closed, oscillatory universe that cycles in/out of existence

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