2009 Science Olympiad – Fossils




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2009 Science Olympiad – Fossils
Identify the Genus of the fossil




1. __________________________________

2. __________________________________





3. ________________________________


4. _________________________________

5. __________________________________







6. __________________________________

7. ________________________________

8. ________________________________










9. __________________________________


10. _________________________________

11. _________________________________


12. ________________________________

13.__________________________________










14. _________________________________

15.__________________________________







16-61 Fill in the Missing Information of the Fossils





Phylum

Mode of life ( i.e. Carnivore, Herbivore, ect )

Time Period

Tyrannosaurus










Mammut










Mammuthus










Dunkleosteus










Elrathia










Stegosaurus










Nummulites










Acer










Ginkgo










Equus










Lingula










Velociraptor










Halysites










Pecten










Elrathia











Match letters with Correct Method of Fossilization



Replacement

62. ______

Recrystallization

63. ______

Trace Fossils

64. ______

Molds, Casts, and Imprints

65. ______

  1. Original Skeletal minerals are still present but in different crystal form




  1. Things such as tracks, eggs and droppings are all examples of this method




  1. When tissue, bones, and shells is changed into a new mineral




  1. When Fossils is dissolved leaving a hole shaped with the organism, also mineral can fill in this hole and make a copy of the fossil



Dating Fossils using Isotopes
Put in Order from Shortest to Longest the half-live of the fallowing Isotopes
C-14 U-235 Th-232 Ru-87 K-40 U- 238
Shortest

66. _____

67. _____

68. _____

69. _____

70. _____

71. _____

Longest
What is the Half-Life of each of the Isotopes



72.

C-14




73.

U-235




74.

Th-232




75.

Ru-87




76.

K-40




77.

U-238




Half Life Problems


______78. What percent of C-14 will remain after 4 Half-Lives?

A. 75% B. 25% C. 6.25% D. 3.125%
______79. What does Potassium 40 decay to?

A. Carbon 14 B. Argon 40 C. Calcium 40
_____80. The fossil has 12.5% of C-14 remaining how old is the fossil?

A. 1,000 yrs B. 11,460 yrs C. 17,190 yrs
_____81. When dating fossils over 60 Million years old what Isotope should be used?

A. K-40 B. C-14 C. U-235 D. U-238
_____82.When dating a fossil which is 100 Million years old what should be used?

A. C-14 B. K-40 C. Ru-87 D. Th-232


Fill in the chart on Half-life percentages





Number of Half-Lives

Percent Remaining

83.

1




84.

2




85.

3




86.

4




87.

5




88.

6




89.

7






Index Fossils
Define Index Fossil

90. ______________________________________________________________________
_____91. Which of the Fallowing Genus’ is an Index Fossil?

A. Cryptolithus B. Eurypterids C. Nummulites
_____92. What period could the fossil from #91 be from?

A. Jurassic B. Carboniferous C. Ordovician D. Tertiary


Match Picture with and fill in remaining Information

93 – 108



Scientific Class.

Picture _____

Kingdom

Animalia

Phylum




Class




Order




Family




Genus

Allosaurus



Scientific Class.

Picture _____

Kingdom

Animalia

Phylum




Class




Order




Family




Genus

Deinonychus


Scientific Class.

Picture_____

Kingdom




Phylum




Class




Order




Family




Genus

Iguanodon


A.
B.
C.

Match Vertebrate with picture

Plesiosaurs

109. _____
Mosasaurs

110. _____


Triceratops

111. _____


Smilodon

112. _____


Stegosaurus

113. _____



A.
B.
C.
D.
E.

Random Fossil Questions

Put the following formation/events in order from OLDEST to most recent. Use the age of the fossil/formation, not when they were discovered.
A. Feathered Dinosaurs Appear

B. Pleistocene Ice Age

C. Cretaceous Extinction

D. Permian Extinction

E. Ediacaran Fossils

F. Burgess Shale Formation


114.




115.




116.




117.




118.




119.






_____120. Which of the following is true of a sclerotic ring?

A It is used to determine the age of a specimen.

B It is a structure that supports the non-spherical eyes of some organisms

C It is used to compare hip joints in dinosaurs and birds

D It is a reproductive structure in egg-laying animals
121. Carbon-14 in a fossil is determined to have decayed 98% into Nitrogen-14. This sample has been decaying for more than ________ half-lives but fewer than _________ half-lives.
122. Name this fossil_______________________


123. Name the Genus______________________
124.Name the Kingdom_________________

125. How difficult was this Test? ___________________________________


Points possible 125

Total Correct _______________

Percent Correct _____________

*each question is one point


KEY




Answer

1

Dimetrodon

2

Parasaurolophus

3

Archaeopteryx

4

Coelophysis

5

Pentremites

6

Conus

7

Hydnoceras

8

Phacops

9

Archimedes

10

Hexagonaria

11

Mucrospirifer

12

Apatosaurus

13

Favosites

14

Turritella

15

Orthoceras



16-61




Phylum

Mode of life ( i.e. Carnivore, Herbivore, ect )

Time Period

Tyrannosaurus

Chordata

Carnivore

Late Cretaceous

Mammut

Chordata

Herbivore

Pliocene

Mammuthus

Chordata

Herbivore

Pliocene

Dunkleosteus

Chordata

Carnivore

Devonian

Elrathia

Arthropoda

Filter

Devonian

Stegosaurus

Chordata

Herbivore

Late Jurassic

Nummulites

Foraminifera

Filter

Tertiary

Acer

Magnoliophyta

Plant

Cretaceous (starting)

Ginkgo

Pinophyta

Plant

Jurassic

Equus

Chordata

Herbivore

Pleistocene

Lingula

Brachiopoda

Filter

Late Cretaceous

Velociraptor

Chordata

Carnivore




Halysites

Cnidaria

Filter

Ordovician

Pecten

Malluca

Filter




Istotelus

Arthropoda

filter

Devonian


62

C

63

A

64

B

65

D

66

C-14

67

U-235

68

K-40

69

U-238

70

Th232

71

Ru-87

72

5730

73

710,000,000

74

14,000,000,000

75

47,000,000,000

76

1,300,000,000

77

4,500,000,000

78

C

79

B

80

C

81

A

82

C

83

50%

84

25%

85

12.5%

86

6.25%

87

3.125%

88

1.5625%

89

.078125%

90

A fossil used knowing its age to date other fossils surrounding that fossil




91

A

92

C

93

C

94

Chordata

95

Sauropsida

96

Saurischia

97

Allosauridae

98

B

99

Chordata

100

Sauropsida

101

Saurischia

102

Dromaeosauridae

103

A

104

Animalia

105

Chordata

106

Sauropsida

107

Ornithischia

108

Iguanodontia

109

B

110

A

111

D

112

E

113

C

114

D

115

F

116

E

117

C

118

A

119

B

120

B


121

5 & 6

122

Lepidodendron

123

Ichthyosaurus

124

Animalia

125

Add one point




+ /125




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