How Fossils Form

Where are fossils usually formed?

• in rock

• in sedimentary rock

• in ice

• in metamorphic rock

Scientists who study fossils are called

• archeologists

• geologists

• hydrogeologists

• paleontologists

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Organisms that have changed over time provide

• evidence of the history and past environments on earth

• evidence of habits of organisms

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Which of the following is NOT something you could learn from a fossil?

• The size of the animal
• What the animal ate
• The color of the animal
• Where the animal lived

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In order for a fossil to form, which of the following events must happen FIRST?

• Slowly, minerals in the water replace the bone.
• Sediment covers the bone.
• An animal dies.
• The bone is no longer a bone, but a rock copy.

What can fossils tell us about an organism?

• How long ago an organism lived

• Where an organism lived

• How an organism lived

• All of the answers

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Select the Correct order

For a fossil to form.

1 Rock hardens and form a fossil. 2 Animal dies and have to be quickly buried. 3 Minerals fill the mold to form a cast fossil. 4 Water dissolves the soft parts leaving a fossil mold.

• 1, 2, 3, 4

• 2, 3, 1, 4

• 2, 4, 3, 1

• 4, 3, 2, 1

How are sedimentary rocks formed?

• From heat and pressure.
• From magma cooling.
• From sediments that are melted. 
• From sediments that are cemented and pressed together.

In which type of rock can fossils be found?

• igneous 
• sedimentary
• obsidian
• metamorphic

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The process of how an organism is formed into a fossil is called

• Fossilization

• Metamorphosis

• Decompostion

• Discovery