Lesson Outline Chapter 5 Unit 2 Ms. Marku Clues from Fossils Lesson Outline Chapter 5 Unit 2 Ms. Marku

What Can You Learn From Fossils? Scientists use clues from fossils to learn about the __________. past

What Can You Learn From Fossils? When a plant or animal dies, the soft parts quickly ________ or are _________. eaten decay

What Can You Learn From Fossils? Many fossils are found in___________ rock. sedimentary

What Can You Learn From Fossils? When a shallow print or impression is the only evidence of a plant or animal that once existed, the fossil is called a(n)__________. imprint

What Can You Learn From Fossils? When water dissolves the remains of a once-living thing, leaving a hollow space, a(n)____________ forms. mold

What Can You Learn From Fossils? Fossils that are formed or shaped in a mold are called ______________. casts

What are Some Other Ways Fossils Form? Sap can harden into ___________, trapping insect. amber

What are Some Other Ways Fossils Form? Some fossils have been found in ice and frozen ground, such as the _____________ which was found in Northern Asia and North America. mammoth

What are Some Other Ways Fossils Form? Rancho La Brea in California is famous for fossils found in its _____________. tar pits

What are Some Other Ways Fossils Form? Plants and animals that decay slowly may leave behind a thin film of the element __________. carbon

What are Some Other Ways Fossils Form? Parts of plants and animals, especially wood and bones, may also be preserved by being __________, which means “turned to stone.” petrified

What Happens Once Fossils are Found? Before a fossilized dinosaur can be displayed in a museum, people must first: ____________, __________, and _____________ collect the bones remove rocks assemble bones

What Happens Once Fossils are Found? Fossils might be stored safely for further study after ___________ are made for display. casts

What Other Clues Do Fossils Provide? Annual growth rings in _________ tell the age of fossilized trees. petrified wood

What Other Clues Do Fossils Provide? Fossilized footprints can tell us: ____________, __________ and _________. size age walked on 2 or 4 legs

What Other Clues Do Fossils Provide? Fossil of flat teeth indicate that an animal ate ___________. plants

What Other Clues Do Fossils Provide? Fossilized stomach contents can tell us what an animal ________. ate

What Other Clues Do Fossils Provide? Fossilized _________ organisms tell where rivers, lakes, or oceans once existed. aquatic

What Other Clues Do Fossils Provide? Fossilized ferns tell us that the climate where they were found was once__________. hot & moist