No student devices needed. Know more
37 questions
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
Dinosaur fossils are often found in layers of
sedimentary rock
igneous rock
metamorphic rock
Metamorphic rocks are formed from
heat and pressure
melted rock
sediment cementing together
minerals dissolving
Metamorphic rock, graphite, is used for
pencils
buildings
tools
Explore all questions with a free account