Q2 Assessment Word Scramble

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Q2 Assessment

Question	Answer
What cause tectonic plates to move?	convection currents
How are igneous rocks formed?	By cooling and hardening of lava
What is a core?	very hot, dense(heavy), and made of metal
Describe the mantle	consist of liquid molten material (magma)
Is the Earth's crust solid and made with a softer mantle below	Yes
What causes new crust to form?	sea floor spreading
Ring of Fire forms along side...	crustal plate boundary
Can Plate Tectonics explain why the same type of fossil can be found on continents separated by a body of water?	Yes
Sedimentary rocks form by way of what?	compaction and cementation
Where do igneous rocks come from?	volcanoes
Are metamorphic rocks changed by heat and pressure?	Yes
What do the rock's mineral types, texture, and color identify?	the rock's identity
What determines crystal size?	cooling rate
How are metamorphic rocks grouped?	By their bands(foliated)
Relative age of a rock layer can be determined by using what?	fossils
How is the Mid Ocean Ridge created?	By way of sea floor spreading
What happens to the temperature the deeper you get inside Earth?	increases(gets hotter)
Where is the oldest rock layer always located?	at the bottom
Where do rift valleys form from?	divergent boundary
Does convergent mean together or apart?	together
Does divergent mean together or apart?	apart
Mountains/Volcanoes form from what plate boundary?	convergent boundary
Where is the youngest rock layer located?	always at the top
Sea floor spreading forms from what plate boundary?	divergent boundary
Metamorphic rocks form from what?	other rocks
Igneous rocks form form what?	cooled lava

Created by: kharris-bbms on 2010-01-14