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STUDY NOTES – Standard 2, Objective 3 PLATE BOUNDARIES

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Presentation on theme: "STUDY NOTES – Standard 2, Objective 3 PLATE BOUNDARIES"— Presentation transcript:

1 STUDY NOTES – Standard 2, Objective 3 PLATE BOUNDARIES

2 1 Two plates slide past each other horizontally at a _________ boundary. transform

3 2 The Pacific Ring of Fire is a zone of active _____________. volcanoes

4 3 When the oceanic and continental lithospheres collide, the _______ plate _________. oceanic subducts

5 4 Tectonic plates can include both oceanic and ___________ crust.
continental

6 5 Food, water, flashlights, and a portable radio are needed to _______ for earthquakes. prepare

7 6 epicenter The ________ of an earthquake is the point on Earth’s surface directly ______ the earthquake’s focus. above

8 7 The theory that explains why and how continents move is called _____ tectonics. plate

9 8 An example of a _________ boundary is the San Andreas Fault in California. transform

10 9 Convection, _____ push, and slab ____ work together to produce constant tectonic plate _______. ridge pull motion

11 10 Frequent earthquakes in an area may indicate tectonic plate ___________. boundaries

12 11 The hottest rock is found in __________ zones and under mid-ocean ___ valleys. subduction rift

13 12 During a major earthquake, buildings may sway or ________. collapse

14 13 The two sources of energy heating Earth’s mantle are radioactive _______ and heat from Earth’s _______. decay interior

15 14 Subduction is when one plate goes ________ another. beneath

16 15 Plates move away from each other at a mid-__________ ridge.
mid-ocean

17 16 If you are indoors during an earthquake you should stay away from ________ and objects that may fall; _____ in a doorway. windows stand

18 17 As Australia drifted away from Asia, its animal life ________ into different forms than Asia. evolved

19 18 upward The movement of heated materials ________ and the movement of cooled materials downward is called __________. convection

20 19 ___________ usually occur at plate boundaries when rock in environments near tectonic plate boundaries experience great ______. Earthquakes stress

21 20 denser When two oceanic plates collide the ________ plate ________.
subducts

22 21 The rise of the Himalayan Mountains changed world _____ patterns.
wind

23 22 Rock begins to sink when it has ______ and becomes denser. cooled

24 23 ridge rift At the center of a mid-ocean _____ is a ____ valley.

25 24 plates Tectonic _____ are blocks of ___________. lithosphere

26 25 continental The collision of two __________ plates results in the formation of __________. mountains

27 26 Earth’s tectonic plate’s ______ when heat creates __________ currents in Earth’s mantle. move convection

28 27 The breakup of Pangea changed the ____ of the continents and world ________. size climates

29 28 subducting A __________ plate boundary will pull the rest of the plate _____. down

30 29 Earthquakes generally occur at plate boundaries, where ______ on rocks is greatest. stress

31 30 The Himalaya Mountains were formed in a ________ at a convergent boundary. collision

32 The End!


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