GEOLOGY CROSSWORD
Recommended for Grades 3-5
Palaeontologists need to understand how rocks are formed if they are
going to understand the fossils found within them. This activity reviews the
basic rock types and parts of the rock cycle.
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m a g m a
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s e d i m e n t
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w
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The name of this basic rock type is derived from the
Latin word for ‘fire’.
Molten rock under the surface of the Earth is called
______.
Fossils are usually found in ______ rocks.
Sweet treat that sometimes comes in ‘rock’ form.
There are ______ basic rock types.
Metamorphic rocks are formed by heat and ______.
This sedimentary rock is a ‘fossil fuel’.
A person who studies rocks and minerals is called a
______.
Sedimentary rocks are made of tiny pieces called
______.
Layers of sedimentary rock are referred to as ______.
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g e o l
t i
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s e d i m e n t s
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When lava explodes from a volcano, we say that it
______.
This sedimentary rock forms from mud.
Rock changing from one basic rock type to another is
called the ‘rock ______.’
This sedimentary rock forms from sand.
Water, wind, ice and heat, break down rocks in a
process called ______.
The name of this basic rock type means “to change”
or “to transform”.
You can tell a hill is made of sedimentary rock
because it has formed in ______.
Traces or remains of ancient life found inside rocks
are called ______.
Weathering of rocks is most often caused by ______,
wind and ice.