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Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Paleontologist   A scientist who studies fossils to learn about plants and animals that lived long ago.  
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Fossil   Is what is left of a plant or animal that lived long ago.  
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Trace Fossil   Is evidence of a once living thing that has was left in mud and had hardened in to rock. (An example is footprints.)  
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Mold   When a living thing dies and lays on the ground the shape is left behind in the mud. As the body of the living thing disappears it leaves the shape of the once living thing. As he mud hardens it turns to rock and becomes a fossil.  
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Cast   Is the fossil that forms when mud fills in a Mold and hardens in to a rock making a reverse copy of the mold (Hint: when you look at a cast the shape comes out of the rock).  
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Bone Fossils   This is when an animal dies and its bones are buried deep in the ground. Over time minerals go into the bones and they harden this turns to rock and you have a fossil that is shaped exactly like the bone from the animal.  
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Extinct   Means something that no longer lives on Earth ( Dinosaurs are extinct.)  
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