1-5
6-10
11-15
16-19, 1
2-4, Review
100
Scientists use clues from fossils to learn about the __________.
past
100
Fossils that are formed or shaped in a mold are called ________.
a cast
100
Parts of plants and animals, especially wood and bones, may be preserved by being _______, which means "turned into stone".
petrified
100
Fossils of flat teeeth indicate that an animal ate _________.
plants
100
What kinds of information about an animal could scientists learn from a frozen fossil?
what type, how big it was, was it walking or running
200
When a plant or animal dies, the soft parts quickly __________ or are _______.
decay, eaten
200
Sap can harden into _______, trapping insects.
amber
200
Before a fossilized dinosaur can be displayed in a museum, people must first:
Collect the bones, Removing rocks, assembling the bones
200
Fossilized stomach conents can tell us what an animal ________.
ate
200
What details of the plant does the carbon film fossil show?
detailed outlines
300
Many fossils are found in ________ rock.
sedimentary
300
Some fossils have been found in ice and frozen ground, such as the _______, which was found in Northern Asia and North America.
mammoths
300
Fossils might be stored safely for further study after __________ are made for display.
models
300
Fossilized _________ organisms tell where rivesm lakes, or oceans once existed.
aquatic
300
Are any of the once-living parts of the petrified wood preserved?
No, all the once-living parts have been replaced by minerals
400
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
400
Rancho La Brea in California is famous for fossils found in its _______.
tar pits
400
Annual growth rings in _______ tell the age of fossilized trees.
petrified wood
400
Fossilized ferns tell us that the climate where they were found was once __________.
warm, hot, and moist
400
Name once of the three main types of rocks
Igneous, Sedimentary, Metamorphic
500
When water dissolves and the remains of a once-living thing, leaving a hollow space, a(n) _________ forms.
mold
500
Plants or animals that decay slowly may leave behind a thin film of the element________.
carbon
500
Fossilized footprints can tell us:
how big the animal was, if the animal was walking or running, if an animal walked on two or four legs
500
What is the hardened tree sap that preserves insects as fossils?
amber
500
Name two of the three main types of rocks
Igneous, Sedimentary, Metamorphic
M
e
n
u