Fossils-Intro

What do paleontologists study to learn more about the Earth's history?

• Ancient tools

• Fossils

• Historical documents

• Meteorites

Which of the following is NOT a type of fossil mentioned in the text?

• Cast fossil

• Mold fossil

• Trace fossil

• Crystal fossil

What is a mold fossil?

• A fossil formed by minerals filling a space left by decayed material

• A fossil made from the actual body of an animal

• A fossil that includes footprints or nests

• A fossil formed by pressing a plant or animal into soft clay

What happens in the formation of a cast fossil?

• An animal is trapped in amber

• Minerals fill a mold left by a plant or animal

• A plant or animal is quickly buried in mud

• An animal's body is preserved in ice

Which statement best describes a true form fossil?

• It is a fossil where the body of an animal is not preserved.

• It is made by pressing a plant into mud.

• It is the actual preserved body of an animal.

• It is a fossil made entirely of stone.

The mineralized remains of organisms, showing how long-dead organisms lived and how their bodies were structured

• law of superposition

• sedimentary layers

• fossils

• petrification

Which best describes fossils?

• They are the preserved remains or evidence of ancient living things
• They are the preserved remains or evidence of ancient living and nonliving things
• They are the preserved bones of ancient animals
• They are impressions of plant leaves in ancient rocks

Which would NOT be considered a fossil?

• bones buried deep in the earth
• footprints harened in  mud or rocks
• imprints left in rocks
• stories passed down from generation to generation

Where are most fossils found?

• A. In sand dunes
• B. In volcanoes
• C. In igneous rocks 
• D. In sedimentary rocks 

Over millions of years, sedimentary layers form from which of the following?

• sand

• silt

• dead plants & animals

• molten lava