looks
What colors can rocks be?
Any color
What are rocks?
The mixture of minerals, glass, or organic materials.
Weathering an erosion of all rocks
Sedimentary rocks form from what?
The compaction and cementation of sediments.
How many types of rocks are there?
3
What are the cracks in the ground when wet clay dries?
Mudcracks
What are igneous rocks?
Rocks formed from cooled magma.
What is the remains or impression of plants or animals preserved in a rock?
Fossils
How many times can the rock cycle repeat?
Infinite
What type of rock is coal?
Sedimentary
What is the shape of rocks?
Rocks can be any shape
Who is the man that invented the rock cycle?
James Hutton
Rocks that have a course surface formed at what speed?
Slowly
Metamorphic rocks
How many types of sedimentary rocks are there?
Three
What is the size of rocks that form slower
Larger
Obsidian is what type of rock?
Igneous
What is the texture of rocks that form faster
Rocks that form faster will have a smoother texture
What rocks are classified as new rocks?
Igneous rocks
Sedimentary
What is the difference between foliated metamorphic rocks and non-foliated metamorphic rocks?
Foliated metamorphic rocks have a layered or banded appearance.
The arrangement of layers in sedimentary rocks.
Stratification
What do organic sedimentary rocks form from?
The accumulation of plant and animal debris.
When magma cools what type of rock forms?
Igneous
What are amphibolite metamorphic rocks?
A non-foliated metamorphic rock that forms through recrystallization