Igneous Rocks
What are the two types of igneous rocks?
Intrusive and Extrusive rocks
What are sedimentary rocks made up of?
Sediments (sand, rocks, mud, fossils)
True or False: Metamorphic rocks are only made from sedimentary rocks
False
What is the rock cycle?
Formation and destruction of different rock types
What is the hardest mineral?
Diamond
Which has bigger crystals: Intrusive or extrusive
Intrusive
What type of sediment is sandstone made up of?
Sand
How are metamorphic rocks formed?
Intense heat and pressure pressing on the rock
True or false: The rock cycle is only occurs once
False
What is someone who studies rock called?
What is the difference between magma and lava?
Magma is inside the volcano, lava is once it reaches the surface
What are the characteristics of sedimentary rocks?
Soft, Distinctive layers
What is the layering in metamorphic rocks called?
Foliation
What are the two types of weathering?
Chemical and physical
Name 2 properties of minerals
Lustre, streak, hardness, cleavage
What are the steps to form an extrusive rocks?
Magma comes up the volcano, magma reaches the surface, lava cools quickly
What are the three different types of sedimentary rocks?
Weathered, chemical, biological (organic)
What are the characteristics of metamorphic rocks?
Hard, strong, foliation
What is erosion with an example?
Movement of sediment
Wind, water
What is a mineral?
Tiny grains or crystal that are the building blocks of rocks
What are the characteristics of igneous rocks?
Hard, strong, interconnected crystals
How are sedimentary rocks formed?
Weathering, erosion, deposition, compaction, cementation
What is the parent rock of marble?
Limestone
What is an example of biological weathering?
Plants uprooting a rock
What is an ore?
A mineral that contains lot of metal