Rock Types
How many rock types are there?
Three
What is another word for lava?
Magma
Free Points!
Congratulations
What is a fossil?
The preserved remains of a plant or animal
Which is the most common type of rock?
Igneous
How are igneous rocks formed?
Cooled and hardened magma
What does "lustre" mean?
How shiny something is
True or False: All dead things will eventually turn into fossils?
False
What is something made of metamorphic rock?
Anything made of marble
How are sedimentary rocks formed?
Time and pressure harden layers of sediments
What is a physical property?
Something we can observe with our five senses that we can use to describe rocks
What does "fossilization" mean?
The process of remains turning into a fossil
What is something made of sedimentary rock?
Chalk, cement, fertilizer
How are metamorphic rocks formed?
Sedimentary rocks that go through heat and pressure
Hardness
What is the study of fossils called?
Paleontology
What is something made of igneous rock?
The ocean floor or 95% of the Earth's crust
What do igneous rocks turn into before becoming sedimentary rocks?
Sediments
What gemstone is the hardest on the Mohs scale?
Diamond
How long does fossilization take?
10,000 years