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Science 1/27/19
Constructive and Destructive Forces
| Question | Answer |
|---|---|
| All ______ _______ stem from how the earth was made. | constructive processes |
| The theory that our continents move? | Continental Drift |
| There are 4 ways earth constructs itself: | 1. Faults 2. Deposition 3. Volcano 4. Earthquakes |
| These occur where earth's tectonic plates are meeting? | Faults |
| Tectonic Plates have these three types of boundaries? | 1. Divergent Boundary 2. Convergent Boundary 3. Transform Boundary |
| This boundary is where the plates are pulling apart? | Divergent Boundary |
| This boundary is where the plates are coming together? | Convergent Boundary |
| This boundary is where the plates are sliding past each other? | Transform Boundary |
| Convergent boundaries also referred to as _________? | compression faults |
| Divergent boundaries are also referred to as _______? | tension faults |
| Transform boundaries are also referred to as _______? | shear faults |
| The picking up and carrying away of bits and pieces of eroded rock and depositing this material in another place? | desposition |
| What are the three ways we learned that deposition takes places? | 1. water 2. wind 3. ice |
| Deposition: _______ in the form of rivers picks up bits of soil and deposits them in the oceans and lakes of the world? | water |
| Deposition: ______ picks up bits of soil and makes sand dunes? | wind |
| Deposition: _______ picks up bits of soil and rocks and when it melts it leaves moraines and drumlins? | ice |
| A ______ is formed when a heavier tectonic plate slides under a lighter tectonic plate? | volcano |
| Pockets of magma seep up into the lighter plate and form a chamber of magma, this is called ________? | subduction |
| Subduction can also occur when you have a _____ fault, that is where the earth's plates are pulling apart? | tension |
| The second way a volcano is formed is by _____ ______ in the mantle occur where magma seeps up into a plate. This is how the Hawaiian Islands were formed. | hot spots |
| A volcano is a _______ force because they build new land through lava and ash, making soil very productive. | constructive |
| A volcano is a ________ force when they erupt. | destructive |
| A _______ does not build the soil but they change the land we live on. | earthquake |
| ___________ occur around fault boundaries. | earthquakes |
| The sudden release of _______ is what causes an earthquake? | tension |
| _______ is the breaking down of earth's rock into smaller pieces? | weathering |
| What are the three things that cause weathering? | 1. water 2. ice 3. chemicals |
| _______ is the picking up and carrying away of weathered material? | Erosion |
| These mountains form because of a shear fault or transform boundary? One side of the fault is thrust into the air over the other side of the fault. | fault block mountains |
| What are the three kinds of mountains? | 1. fault block mountains 2. fold mountains 3. volcano |
| _______ of an earthquake is the point under ground where the faulting occurs? | focus |
| The ______ of an earthquake is where the intensity is strongest. | epicenter |
| _________ map is a map that shows the shape of the surface features and their elevations or heights above sea level. | Topographic |
| ______ is the earth's thin outermost layer is solid rock | crust |
| ______ is the thick layer of earth between the crust and outer core | mantle |
| ______ _______ is formed mostly of molten metal | outer core |
| Pressure keeps this super hot metallic region in a solid state? | inner core |
| This type of mountain forms when magma rises up from the mantle, but does not break through the surface? | dome mountain |
| A seismograph has sensors that detect and measure these types of vibrations of the earth's crust | seismic waves |
| _______ is composed of molten rock and is stored in the Earth's crust. | magma |
| _______ is magma that reaches the surface of our planet through a volcano vent. | lava |
Created by:
nkittie
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