(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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a person who explores caves
spelunker
Which material is a very durable artificial rock?
concrete
oil in its natural state
crude oil or petroleum
a lightweight, nonmagnetic, rustproof metal
aluminum
The hardest of all substances...
diamond
A rocklike object that looks like a mudball on the outside but is filled with crystals on the inside.
geode
A person who studies minerals...
mineralogist
All minerals form a special kind of solid called this.
crystal
plant and animal remains that have been turned into stone
petrified fossils
sedimentary
limestone
sandstone
shale
The rarest gemstone
ruby
rare, beautiful minerals that are very hard but have not been polished
gemstones
The best conductor of electricity
copper
fossils that form when mud burries a plant or animal and then quickly hardens around it
mold fossils
the brown or black substance used for fuel is called
coal
Which rock is often used to make chalkboards?
slate
scientists who study fossils are called
paleontologists
an underground spring that shoots up streams of boiling water
geyser
What is the molten rock in the earth's mantle called?
magma
a scientist who studies the structure of the earth
geologist
A radioactive metal used as a source for nuclear power.
uranium
used in plaster of Paris
gypsum
types of weathering
chemical
physical
Our most useful metal
iron
Which rock smells like mud when it is wet?
shale
metamorphic
slate
marble
used for arrow heads
flint
easily broken into flat sheets
mica
Which mineral is used in pencils instead of lead?
graphite
The only metal that is liquid at room temperature
mercury
igneous
granite
pumice
obsidian
basalt
What do we call decaying plant and animal material in the soil?
humus