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WorksheetsRock Types
Total questions: 25
Worksheet time: 13mins
Luster is another word for
glassy
shine
sandy
smooth
Intrusive igneous rocks form from
magma cooling
lava cooling
heat and pressure
weathering and cementing
Intrusive igneous rocks
are baked
cool quickly
cool slowly
are cemented particles
If a rock cools slowly, it may
preserve dinosaur bones
have chunks of pebbles
be smooth as glass
form crystals
Extrusive igneous rocks
cool from magma
cool from lava
are pressed particles
dissolve in water
The only igneous rock that can float is
obsidian
gabbro
pumice
diorite
Obsidian has been used for
tools and jewelry
a powder cleaner for scrubbing
a building material
for coins
Granite is durable which means it is a good choice for
cutting tools
mirrors
jewelry
buildings
Pumice can be used for
bricks for building
softening skin
tiles
cutting
Weathering is the
process of rocks breaking down
melting of rocks
baking of rocks
cementing of particles
Erosion is
dissolving of minerals
breaking down of rocks
movement of sediment to a new location
evaporation of minerals
Deposition is
the breaking down of rock
the cementing of particles
the pressure of layers of sediment
the dropping of sediment from wind or water
Cementation is the
pressing together of sediment layers
transportation of sediment
baking of rock near magma
cooling of lava
Clastic sedimentary rocks are formed from
dissolved minerals after water evaporated
weathered, transported, and cemented particles
Chemical sedimentary rocks are formed from
dissolved minerals after evaporation
weathered, deposited, and cemented particles
Pebbles found in conglomerate (sedimentary) rock are smooth because
they cooled quickly
they were partly melted
they traveled in water
Sedimentary rocks are often found near
lakes, river, and oceans
volcanoes
plates colliding
Dinosaur fossils are often found in layers of
sedimentary rock
igneous rock
metamorphic rock
An example of a sedimentary rock is
obsidian
rock salt
pumice
marble
Metamorphic rocks are formed from
heat and pressure
melted rock
sediment cementing together
minerals dissolving
Metamorphic rocks can be found near
oceans
volcanoes
deserts
Metamorphic rock, graphite, is used for
pencils
buildings
tools
Marble is a good building material because it is
strong and beautiful
fragile and brittle
found near every river
Talc is commonly used as a powder for
baking cookies
building materials
barber shops and cosmetics
Metamorphic rocks are formed by heat, hot water, and
sedimentation
cementation
pressure
weathering
