What are some things that rocks are made of?
Minerals, pieces of rocks, soil, organic materials
In the rock cycle, which process comes after erosion?
deposition
What causes a rock to change into a metamorphic rock?
heat & pressure
What causes a rock to change into an igneous rock?
melting, cooling, & crystallization
Describe the concept of the rock cycle.
Rocks are always changing, and any type of rock can be turned into another type by natural processes.
Which type of rock is formed under high heat and pressure, but is not melted?
metamorphic
Granite is a hard material and forms from cooling magma. That means that granite is what type of rock?
igneous
Which type of rock forms if a rock is melted down and then crystallizes?
igneous
Which processes turn any rock into sediment?
weathering & erosion
How do geologists classify rocks?
By how they're formed
What is the difference between magma and lava?
Magma is below ground, and lava is above ground.
True or False: When a rock has gone through every stage of the rock cycle, it is done changing.
False
What is the difference between intrusive igneous rock and extrusive igneous rock?
Intrusive igneous rock forms from magma underground, and extrusive igneous rock forms from lava above ground.
Which type of rock is MOST likely to contain fossils?
sedimentary
If a mineral shines like metal, which luster category does it belong in?
metallic
If I scratch a mineral with a copper penny, which mineral property am I testing?
hardness
