1. Scientists use clues from fossils to learn about the ___________.
past
100
6. Fossils that are formed or shaped in a mold are called __________.
casts
100
11. Parts of plants and animals, especially wood and bones, may also be preserved by being __________, which means "turned to stone".
petrified
100
16. Fossils of flat teeth indicate that an animal ate ___________.
plants
100
1. What is the hardened tree sap that preserves insects as fossils?
The hardened tree sap is called amber.
200
2. When a plant or animal dies, the soft parts quickly ________ or are __________.
decay, eaten
200
7. Sap can harden into ___________, trapping insects.
amber
200
12. Before a fossilized dinosaur can be displayed in a museum, people much first:
A: _____________
B. _____________
C. _____________
A. Collect
B. Remove bits of rocks
C. Assembling the bones
200
17. Fossilized stomach contents can tell us what an animal ________.
ate
200
2. What kinds of information about an animal could scientists learn from a frozen fossil?
Scientists can learn about their bones, hari, skin, and flesh
300
3. Many fossils are found in ____________ rock.
sedimentary
300
8. Some fossils have been found in ice and frozen ground, such as the ____________, which was found in Northern Asia and North America.
mammoth
300
13. Fossils might be stored safely for further study after ________ are made for display.
Casts
300
18. Fossilized ________ organisms tell where rivers, lakes, or oceans once existed.
aquatic
300
3. Are any of the once-living parts of the petrified wood preserved?
No, they have all been replaced by minerals
400
4. When a shallow print or impression is the only evidence of a plant or animal that once existed, the fossil is a(n) ______________.
imprint
400
9. Rancho La Brea in California is famous for fossils found in its __________.
tar pits
400
14. Annual growth rrings in __________ tell he age of the fossilized trees.
petrified wood
400
19. Fossilized ferns tell us that the climate where they were found was once __________.
warm, hot, or moist
400
pg. 128 1. Did the dinosaur who made these tascks drag its tail as it walked? How do you know?
You can see tail prints in the dirt
500
5. When water dissolves the remains of a once-living thing, leaving a hallow space, a(n) __________ forms.
mold
500
10. Pants and animals that decay slowly may leave behind a thin film of the element ___________.
carbon
500
15. Fossilized footprints can tell us:
A. _____________
B. _____________
C. _____________
A. Animals Size
B. Whether they were walking or running
C. If the animal walked on two or four legs
500
pg. 128 3. Look at the dinosaur skull. Was the dinosaur likely a meat eater?
Yes, because the teeth were sharp and pointed
500
What other information would you need to tell how large the dinosaur was who made the tracks?
We would need the rest of the fossil. However, we can learn what kind of food the dino ate by their teeth and be could learn how many feet they talked on by their footprints