STUDY NOTES Standard 2 Objective 3 PLATE BOUNDARIES

STUDY NOTES – Standard 2, Objective 3 PLATE BOUNDARIES

1 • Two plates slide past each other horizontally transform boundary. at a _____

2 • The Pacific Ring of Fire is a zone of active volcanoes _______.

3 • When the oceanic and continental oceanic plate lithospheres collide, the _______ subducts _____.

4 • Tectonic plates can include both oceanic and continental crust. ______

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

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

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

8 transform boundary is the • An example of a _____ San Andreas Fault in California.

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

10 • Frequent earthquakes in an area may indicate boundaries tectonic plate ______.

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

12 • During a major earthquake, buildings may collapse sway or ____.

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

14 beneath • Subduction is when one plate goes ____ another.

15 • Plates move away from each other at a midmid-ocean ridge. _____

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

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

18 upward • The movement of heated materials ____ and the movement of cooled materials convection downward is called _____.

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

20 denser • When two oceanic plates collide the ____ subducts plate ____.

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

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

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

24 lithosphere • Tectonic plates _____ are blocks of ______.

25 continental plates results • The collision of two _____ mountains in the formation of _____.

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

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

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

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

30 • The Himalaya Mountains were formed in a ____ collision at a convergent boundary.

The End!