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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 |