Igneous
Igneous rocks form from cooled
Lava or Magma
Sedimentary rocks are made from layers of
Sediment
Metamorphic rocks form from ______ and ______.
Heat and Pressure
Which famous U.S. landmark shows many layers of sedimentary rock?
Grand Canyon
Rocks constantly change from one type to another in what cycle?
Rock Cycle
What do we call igneous rocks that cool slowly underground
Intrusive
What natural processes break rocks into sediments?
Weathering
What sedimentary rock can change into marble?
Limestone
What type of rock forms from cooling lava in Hawaii
Igneous
Which two processes turn rocks into sediments?
Weathering and Erosion
Name one extrusive igneous rock
Basalt, Pumice, Obsidian
What do we call the visible layers in sedimentary rocks
Strata
***** DOUBLE POINTS BONUS*******
WHAT IS MR.S'S DOGS NAME
LOKI
True or False Steps can be skipped in the rock cycle
True
What happens when rocks melt deep inside the Earth?
They form magma
Why do intrusive igneous rocks have large crystals
Cooling Slowly underground
Which process glues sediments together to form rock?
Cementation
Why do many metamorphic rocks appear banded or layered?
Minerals align under pressure
Volcanic glass like rock that cools very quickly is called what
obsidian
Put these in order: Igneous → Sedimentary → Metamorphic. What process comes between each? (Answer: Weathering/erosion; Heat/pressure)
Weathering/ erosion,--- heat/ pressure
Which islands are made mostly of igneous rock
Hawaiian Island
Name two examples of sedimentary rocks
Sandstone, Limestone, Shale, Conglomerate
Name two metamorphic rocks and their parent rocks
Slate from shale; Quartzite from sandstone
Why do scientists say the rock cycle takes millions of years
Most transformations happen very slowly, except things like volcanic eruptions
What is the main force that drives the Rock Cycle
Earths internal heat