What did What did you feel you feel

after after watching watching

the videos?the videos?

Mauna Loa – largest Mauna Loa – largest volcano on earth (Hawaii volcano on earth (Hawaii

island)island)

What is a tectonic plate?What is a tectonic plate?

- A rigid block of A rigid block of earth’s crust.earth’s crust.

- There are 7 major There are 7 major tectonic plates.tectonic plates.

What is a boundary?What is a boundary?

- an area where an area where plates meet.plates meet.

- transform faulttransform fault- convergentconvergent- divergentdivergent

Transform fault Transform fault BoundaryBoundary- plates slide with each plates slide with each

otherother

- roads become not roads become not alignedaligned

could form falls and could form falls and cliffs and can cause cliffs and can cause earthquakesearthquakes

Convergent Convergent BoundaryBoundary- plates collide with plates collide with

each other.each other.

- can be continental or can be continental or oceanic plateoceanic plate

mountains are formedmountains are formed

Divergent Divergent BoundaryBoundary- plates move apart, a plates move apart, a

space is left between space is left between the platesthe plates

- space is usually filled space is usually filled with molten magmawith molten magma

volcanoes could be volcanoes could be formedformed

Why do plates move?Why do plates move?

- The crust of the earth is The crust of the earth is riding on the molten riding on the molten athenosphere (molten athenosphere (molten magma)magma)

- As the asthenosphere As the asthenosphere moves, the plates on it moves, the plates on it also move.also move.

How do How do these these forces forces affect affect our our

planetplanet??

Seatwork:Seatwork:

Draw a Draw a if the statement if the statement is true and is true and if false. if false.

1.1.Due to plate Due to plate movements, we have movements, we have mountains.mountains.

2.2.Convection current Convection current makes the plates to makes the plates to move and collide.move and collide.

Seatwork:Seatwork:3.3. Our planet is made up Our planet is made up

of one big plate.of one big plate.

4.4. Countries that lie on Countries that lie on the boundaries are not the boundaries are not rocked by earthquakes rocked by earthquakes or volcanic eruption.or volcanic eruption.

5.5. Falls and cliffs are Falls and cliffs are formed because plates formed because plates that moved apart. that moved apart.

Prepare for a presentation Prepare for a presentation (3-4 minute news casting on (3-4 minute news casting on the safety measures before, the safety measures before, during, and after an during, and after an earthquake/a volcanic earthquake/a volcanic eruption.eruption.

Groups 1,3,5 – volcanic Groups 1,3,5 – volcanic eruptioneruption

Groups 2,4,6 - earthquakeGroups 2,4,6 - earthquake

Memo:Memo: