Dynamic Earth Question Preview (ID: 55477)


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Where and how do Mid-ocean ridges form?
a) They form along where two plates ‘diverge’ under the water
b) They form high in the mountains and wash into the oceans
c) They form in a desert and are blown into the ocean
d) There are no Mid-ocean ridges.

2. Where and how do ocean trenches form?
a) They form wherever a man wants to place it.
b) They form at convergent boundaries where one plate goes under the other
c) Ocean trenches form along lines where two plates diverge under water.
d) Ocean trenches form along lines where two plates diverge under water.

List two main items that were matched up on different continents, that helped offer evidence for continental drift?
a) America and Asia
b) Rocks and Fossils
c) Wrecked ships
d) In the Coral Reef

If you wanted to live where there were few to no earthquakes, what areas would be a good choice
a) In the California Area
b) In the Midwest
c) Around the Great Lakes
d) In a Red Zone

List the locations where a volcano can form?
a) Only at divergent boundaries
b) Only at convergent boundaries
c) Only at transfer boundaries
d) All of the above

What do we call a large underwater mountain chain?
a) Large underwater mountains
b) An underwater peak
c) An Ocean Ridge
d) A hill

In cold areas water freezes and thaws often, this can cause weathering in rocks. Explain what is occurring when the water freezes to make the rock break down.
a) It boils and causes erosion
b) It freezes the rock
c) It changes chemicals
d) It freezes causing it to expand thus breaking the rocks

Explain how ice and plant roots cause weathering to occur.
a) They expand within the cracks of rocks and break them apart
b) They create chemical changes
c) They just run over the rocks
d) They have no effect on Rocks or soil

List four main areas where deposition can build up.
a) Swamps and deltas
b) Beaches
c) Ocean floor
d) all of the above

What are the four major causes of erosion and deposition?
a) Gravity
b) Wind
c) Ice and moving water
d) all of the above

. What is the hot melted material deep inside Earth called? What type of rocks forms from this material?
a) Magma and igneous rocks form
b) Magma and sedimentary rock forms
c) Gas and metamorphic rock forms
d) Magma and metamorphic rock forms

What are the different characteristics you would look for in a metamorphic rock to classify it?
a) They are foliated or non-foliated
b) They are extrusive
c) They are big and ugly
d) They are all pink

How do sedimentary rocks form?
a) They form from molten magma
b) They form from only brown dirt
c) They form when materials become pressed or cemented together or when minerals form from solutions
d) They form in the asteroids and fall to Earth

List and explain what occurs at each type of plate boundary (be sure to include how the pates move and what forms or occurs at each boundary)
a) At subduction zones, one goes under the other forming a fault
b) At diversion boundaries, plates pull away from each other and volcanoes may form
c) At convergent subduction boundaries one plate slide beneath the other and may cause volcanoes
d) all of the above

Explain what a fault is and where it occurs.
a) It is a place where a man dug a ditch
b) It is a place where a machine dug into the earth
c) They are a break in Earth’s lithosphere and allow movement
d) They form when mountains erode

What is the difference between relative and absolute dating?
a) Absolute is not exact, Relative is
b) Relative is not exact and absolute is
c) In Relative dating they compare some person in their family to another person
d) In absolute dating, the lady asks the man to go out with her.

What evidence from Earth did scientists use to organize the geologic time scale?
a) They looked at a calendar
b) rocks and fossils
c) The history books
d) They used stop watches

Tectonic plates move due to convection currents in Earth, which layer of Earth does this movement occur?
a) The core
b) The inner core
c) The mantle
d) The crust

Explain the process of a volcano forming at a divergent plate boundary.
a) When two plates separate and magma rises up through a vent and forms a volcano
b) When plates collide and create pressure
c) When plates collide and one backs up
d) When a hurricane causes oceans to become filled with waves

Where are the youngest rocks located on the ocean floor
a) Near the continents
b) At mid-ocean ridges
c) In the coral reef
d) At mid ocean ridges

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