Jeopardy Jeopardy Plate TectonicsPlate Tectonics

““ON THE Move” with Plate ON THE Move” with Plate tectonics!tectonics!

Earth’s Earth’s LayersLayers

Plate Plate BoundBoundariesaries

GeologGeologic ic

ActivitActivityy

EvidenEvidencece Rocks!Rocks! Rock Rock

CycleCycle

100 100 100 100 100 100200 200 200200 200200 200200 200200300300 300300 300300 300300 300300 300300400400 400400 400400 400400 400400 400400

Final Jeopardy!!

Earth’s LayersEarth’s Layers100100

What do scientists hypothesize the core What do scientists hypothesize the core is made of?is made of?

Iron and nickelIron and nickel

Earth’s LayersEarth’s Layers200200

How are the inner and outer How are the inner and outer core different?core different?

The inner core is solid due to high The inner core is solid due to high pressure and the outer core is liquid due pressure and the outer core is liquid due to high temperatures.to high temperatures.

Earth’s Layers 300Earth’s Layers 300

What are the scientific names for What are the scientific names for the upper mantle and the middle the upper mantle and the middle mantle?mantle?

Upper mantle = lithosphereUpper mantle = lithosphere Middle mantle = asthenosphereMiddle mantle = asthenosphere

Earth’s LayersEarth’s Layers400400

Explain what convection currents are.Explain what convection currents are.

Convection is a cycle where hot material rises and cold Convection is a cycle where hot material rises and cold material sinks. Inside the mantle of our Earth, magma material sinks. Inside the mantle of our Earth, magma goes through this cycle which moves the tectonic plates.goes through this cycle which moves the tectonic plates.

Plate Boundaries 100Plate Boundaries 100

What type of boundary has two plates that What type of boundary has two plates that scrape scrape acrossacross each other in opposite each other in opposite directions?directions?

Transform boundaryTransform boundary

Plate Boundaries Plate Boundaries 200200

Describe a convergent (subduction) Describe a convergent (subduction) boundary.boundary.

A convergent: subduction boundary is where A convergent: subduction boundary is where two plates come two plates come togethertogether and one goes and one goes underunder the other. the other.

Plate Boundaries Plate Boundaries 300300

What kind of boundary creates What kind of boundary creates mountains? Describe that boundary.mountains? Describe that boundary.

A convergent: A convergent: bucklingbuckling boundary makes boundary makes mountains; that is when two continental plates mountains; that is when two continental plates come together and they both push come together and they both push upup..

Plate Boundaries Plate Boundaries 400400

Explain how new sea floor/crust is created.Explain how new sea floor/crust is created.

New sea floor/crust is created at a divergent plate boundary New sea floor/crust is created at a divergent plate boundary where two plates pull apart. When the plates pull apart, where two plates pull apart. When the plates pull apart, magma from the mantle comes up, cools, and hardens into magma from the mantle comes up, cools, and hardens into rock/crust.rock/crust.

Geologic Activity 100Geologic Activity 100

What type of geologic activity is What type of geologic activity is associated with transform boundaries?associated with transform boundaries?

EarthquakesEarthquakes

Geologic Activity Geologic Activity 200200

Explain WHY earthquakes Explain WHY earthquakes occur at transform occur at transform boundaries.boundaries.

When two plates rub together, it causes When two plates rub together, it causes friction and pressure. When the plates slip, friction and pressure. When the plates slip, it causes the earth to shake.it causes the earth to shake.

Geologic Activity Geologic Activity 300300

Name three types of geologic Name three types of geologic activity that happen at convergent activity that happen at convergent (subduction) boundaries.(subduction) boundaries.

trenches, earthquakes, and trenches, earthquakes, and volcanoesvolcanoes

Geologic Activity Geologic Activity 400400

Besides new crust, what else is created at a divergent Besides new crust, what else is created at a divergent boundary in the ocean?boundary in the ocean?

What is created at a divergent boundary on a continent?What is created at a divergent boundary on a continent?

Divergent boundaries in the ocean = mid-ocean Divergent boundaries in the ocean = mid-ocean ridges and volcanoesridges and volcanoes

Divergent boundaries on continents = rift valleysDivergent boundaries on continents = rift valleys

Evidence100Evidence100

Scientists believe that million of years ago all Scientists believe that million of years ago all the continents were connected – what was the continents were connected – what was that large land mass called?that large land mass called?

PangaeaPangaea

Evidence 200Evidence 200 Scientists have found fossils of the same Scientists have found fossils of the same

animal species on multiple continents, animal species on multiple continents, but the animal could not swim, so how but the animal could not swim, so how did the animal get to the different did the animal get to the different continents?continents?

If the animal wasn’t able to If the animal wasn’t able to swim to the different swim to the different continents, this suggests that continents, this suggests that the continents must have been the continents must have been connected.connected.

Evidence 300Evidence 300 Scientists know that plants and animals need a Scientists know that plants and animals need a

warmer climate to survive, yet we’ve found warmer climate to survive, yet we’ve found fossils on Antarctica – how’s that possible?fossils on Antarctica – how’s that possible?

This suggests that long ago This suggests that long ago Antarctica used to be located closer Antarctica used to be located closer to the equator and had a warmer to the equator and had a warmer climate.climate.

Evidence 400Evidence 400 Give Give threethree specific pieces of evidence that specific pieces of evidence that

led scientists to infer that South America led scientists to infer that South America and Africa used to be connected.and Africa used to be connected.

The The shapeshape of South America and Africa look like they fit of South America and Africa look like they fit togethertogether

AnimalAnimal fossils such as Cynognathus or Mesosaurus fossils such as Cynognathus or Mesosaurus PlantPlant fossils such as the Glossopteris Fern fossils such as the Glossopteris Fern

Rocks100Rocks100

What are tiny pieces of rock What are tiny pieces of rock called?called?

sedimentsediment

Rocks 200Rocks 200

Which type of rock is formed from Which type of rock is formed from molten lava that cools and molten lava that cools and hardens?hardens?

IgneousIgneous

Rocks 300Rocks 300

Explain what sedimentary rock is.Explain what sedimentary rock is.

Sedimentary rock is made of layers Sedimentary rock is made of layers of tiny pieces of rock (sediment) of tiny pieces of rock (sediment) pressed together or pressed together or compactedcompacted..

Rocks 400Rocks 400

What are metamorphic rocks? What are metamorphic rocks?

Metamorphic rocks are made when Metamorphic rocks are made when sedimentary or igneous rocks are CHANGED sedimentary or igneous rocks are CHANGED by heat and pressure.by heat and pressure.

Rock Cycle 100Rock Cycle 100

What is it called when What is it called when material is added to an area?material is added to an area?

depositiondeposition

Rock Cycle 200Rock Cycle 200

What is it called when sediment is pressed What is it called when sediment is pressed together over time to (it turns sediment together over time to (it turns sediment into sedimentary rocks)?into sedimentary rocks)?

compactioncompaction

Rock Cycle 300Rock Cycle 300

Explain what erosion/weathering is.Explain what erosion/weathering is.

Erosion/weathering is when rock is worn down Erosion/weathering is when rock is worn down by water or wind.by water or wind.

Rock Cycle 400Rock Cycle 400

Explain how a sedimentary rock could turn into Explain how a sedimentary rock could turn into a igneous rock.a igneous rock.

First, the sedimentary rock needs to heat and melt into magma. First, the sedimentary rock needs to heat and melt into magma. Then, it would need to cool and harden into igneous rock.Then, it would need to cool and harden into igneous rock.

Final JeopardyFinal Jeopardy Below is a map that shows geologic activity (volcanoes and Below is a map that shows geologic activity (volcanoes and

earthquakes) – make an inference about where this geologic earthquakes) – make an inference about where this geologic activity is happening.activity is happening.

The majority of the volcanoes and earthquakes appear to occur on or near plate boundaries – where two tectonic plates meet.