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Fossils

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    fossils, molds and casts
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  • A fossil made when an animal or a plant rots away, leaving it's shape in the rock. mold (or) trace fossil
    mold
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  • A fossil of an animal's footprints, droppings, or other signs of activity. trace fossil (or) mold
    trace fossil
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  • A fossil is formed after, ten years (or) thousands of years
    thousands of years
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  • Trace fossils help scientists learn about how animals behaved or moved. True (or) False
    True
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  • An example of a trace fossil is a footprint (or) a bone.
    a footprint
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  • To rot or break down. decay (or) fossil
    decay
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  • Soil or sand that settles to the bottom of a river, lake, or ocean. Sediment (or) Fossil
    Sediment
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  • The hardened remains or traces of an animal or a plant from long ago. Fossil or Decay
    Fossil
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  • An animal or a plant decays only if it has been buried. True (or) False
    False
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  • Sand and soil are two kinds of sediment. True (or) False
    True
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  • A fossil made when minerals take the place of hard plant or animal parts. Cast or Minerals
    Cast
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  • Things found in nature that are not animal or plant. Minerals or Cast
    Minerals
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  • What replaces the hard parts in plants and animals to create casts? Minerals or Mold
    Minerals
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  • What do layers of sediment harden into over time? Rock (or) Minerals
    Rock
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  • A yellow or brownish-yellow fossil made from tree resin. Amber or A Cast
    Amber
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  • A soft, thick sticky substance that flows from some trees. Amber or Resin
    Resin
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