WorksheetsClassifying Rocks
Total questions: 20
Worksheet time: 5hrs 0mins
How many minerals make up most of the rocks on Earth?
100
20
1
50
How does granite look?
dark-colored with LOW silica
dark-colored with HIGH silica
light-colored with LOW silica
light-colored with HIGH silica
Which kind of rock forms under heat and pressure?
Igneous
Metamorphic
Inorganic
Sedimentary
Which term describes how a rock's surface looks and feels?
Density
Streak
Texture
Fracture
What is NOT used to categorize rocks?
Color
Size
Texture
Chemical Composition
What do geologists study?
Planets
Rocks
Animals
Societies
What is NOT a type of rock?
Igneous
Metamorphic
Stone
Sedimentary
What does a rock's pigment give it?
Texture
Color
Chemical composition
Grains
What type of grains does granite have?
Large
Small
Cool
Purple
What characteristic do BANDED rocks have?
Large grains
Sandy texture
Layers
Large clumps of minerals
People has used igneous rocks for all BUT what?
Buildings
Tools
To eat
Flooring
Which rock is used for cobblestone and in landscaping?
Basalt
Lava
Magma
Sandstone
What are igneous rocks that are on the OUTSIDE?
Intrusive
Metrusive
Pyroxene
Extrusive
What characteristic does magma that is LOW in silica?
Light colored
Dark colored
Black
Red
Igneous rocks have how many categories?
20
100
5
2
Extrusive rocks (less pressure) have LARGER grains than intrusive rocks (more pressure).
True
False
Which terms best describe igneous rocks (lots of pressure)?
light and easily broken
soft and smooth
hard and dense
soft and dense
How do coarse-grained igneous rocks form?
from sedimentary rocks changed under pressure.
from large rock particles cemented together
from volcano eruptions
from magma SLOWLY cooling under lots of pressure
Which igneous rock is mixed with soil and used for starting vegetable seeds?
perlite
granite
obsidian
basalt
Which igneous rock is an extrusive rock?
porphyry
rhyolite
pegmatite
granite
