Rocks
More Rocks
Minerals
Fossils
More Fossils
100
Rocks formed from smaller bits of rock cemented together first are called
Sedimentary Rocks
100
The process by which rocks are changed from one type to another is the
Rock Cycle
100
The building blocks of rocks are
Minerals
100
Hardened tree sap is called
Amber
100
A place in which animals got stuck and their bodies were preserved as a the material around it hardened is a
tar pit
200
Words like "older, oldest, younger and youngest" are used to describe each rocks'
relative age
200
The stage in the rock cycle between metamorphic rock and igneous rock is
magma and lava
200
A way light bounces off minerals is called
luster
200
Something that is formed or shaped in a mold is a
cast
200
A hollow form with a particular shape is a
mold
300
Sedimentary rocks can help us learn about Earth's past because they contain fossils and are laid down in
time order
300
Scientists who study the physical properties of rocks to tell how the rock may have formed are called
Geologists
300
The softest mineral is
talc
300
A word that means "turned to stone" is
petrified
300
Animal remains that have been slowly dried out in a hot, dry region like a desert are called
mummies
400
A rock that has been changed by heat or pressure or both is called a
metamorphic rock
400
Magma that reaches the Earth's surface is called
lava
400
The hardest mineral is
A diamond
400
When a shallow print or impression is the only evidence of a plant or animal that once existed, the fossil is called an
imprint
400
Fossils can answer all of the following about prehistoric animals except: the color of its eyes, what is ate, how it walked, or what it looked like.
the color of it's eyes
500
A rock formed from hot, molten rock material that has cooled or hardened is called an
Igneous rock
500
Granite or shale heated under pressure can form
Gneiss
500
A mineral that splits along flat surfaces in three directions is
Galena
500
The length of a fossil footprint is equal to about one-quarter the length of an animal's
hind-leg bone
500
Plants or animals that decay slowly may leave behind a thin film of the element
carbon
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