Sci 3/5/25 Flashcards
Coral animals can live on land and on water
False
Melting is the process that turns rocks into sediments
False
Granite is the most common extrusive rock
False
Particles that make up sedimentary rocks are called sediments
True
About 100 minerals make up most of the rocks in the earth’s crust
False
The squeezing of layers of sediments is called _____
compaction
Mixtures of minerals and of a material are called _____
rocks
A metamorphic rock that is used for statues is mainly made of _____
marble
Sedimentary rocks that form the remains of living things are called _____ rocks
organic
The texture of the igneous rock depends on the shape and size of the rocks _____
crystals
Metamorphic rocks with their grains are _____
foliated
_____ is the process from which sediments are glued together
cementation
Which kind of sedimentary rock do coral reefs form from?
limestone
A rock that is used for cleaning is _____
pumice
Granite is a light colored rock because it is mainly made up of _____
silica
Which kind of rock forms when heat and pressure change the rock?
metamorphic
Rocks that form when magma and lava cool are called _____
igneous
Small particles that make up rocks are called _____
grains
Basalt is an example of a _____ rock
extrusive rock
How a rock’s surface looks and feels is the rock’s _____
texture
How do extrusive rocks form?
when magma erupts and then cools and crystallizes on the surface
As the volcano erupted, rocks formed as _____
lava
The rock cycle can start in three ways: _____
heat and pressure, erosion, weathering, melting, and compaction
How are igneous rocks formed?
when magma cools
How are sedimentary rocks formed?
when igneous rocks erode into sediments and then go through deposition
How are metamorphic rocks formed?
from heat and pressure
