Transcript 2015-2016 earth history Jeopardy newx

Jeopardy
Way Back to
the Basics.
How Old is
Old?
What’s My Age
Putting the
Again?
Pieces Together
It’s Time!
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Final Jeopardy
$100 Way Back to the Basics
Which era ended with the largest mass
extinction in Earth’s history?
a. Jurassic
c. Cenozoic
b. Mesozoic
d. Paleozoic
$200 Way Back to the Basics
Erosion is one of the major causes of the
missing rock layers, known as
a. tilting.
b. superposition.
c. the geologic column.
d. unconformities.
$300 Way Back to the Basics
What happens during radioactive decay?
a. Radioactive isotopes break down into
unstable isotopes.
b. Radioactive isotopes break down into
stable isotopes of other elements.
c. Stable isotopes become unstable
isotopes.
d. Isotopes become radioactive.
$400 Way Back to the Basics
Where are most fossils preserved?
a. in asphalt
c. in sedimentary rock
b. in ice
d. in amber
$500 Way Back to the Basics
Which part of an animal is more
commonly preserved?
a. the organs
c. the soft parts
b. the eyes d. the shell or bones
$100 How Old is Old?
What does the rock and fossil record represent?
a. geologic time c. the Age of Mammals
b.
index fossils d.
the Age of Reptiles
$200 How Old is Old?
What do scientists think may have
caused dinosaurs to become extinct?
a. climate change
b. competition from mammals
c. competition between dinosaurs
d. disappearance of prey
$300 How Old is Old?
Why do scientists drill out ice cores?
a. to date rock layers
b. to study amber
c. to reconstruct Earth’s climate history
d. to find fossils
$400 How Old is Old?
What is a fault?
a. a break in the Earth’s crust
b. molten rock that squeezes into existing
rock
c. slanted layers of rock
d. a bent and buckled layer of rock
$500 How Old is Old?
Which of the following is the
largest division of geologic time?
a. period c. era
b. epoch
d. eon
$100 What’s My Age Again?
How does a geologist know that rock layers
are undisturbed?
a. Rock layers are folded.
b. Rock layers are faulted.
c. Rock layers are tilted.
d. Rock layers are horizontal.
$200 What’s My Age Again?
What is amber?
a. an insect’s body
c.
wet, sticky tree sap
b.
d.
a hard shell
hardened tree sap
$300 What’s My Age Again?
Why is the fossil record incomplete?
a. Scientists don’t like to work on it.
b. Most organisms have soft body parts.
c. Most organisms never became fossils.
d. There isn’t enough amber.
$400 What’s My Age Again?
Which of the following is an example of a trace
fossil?
a. mold and cast
c. preserved footprints
b.
a frozen mammoth d.
hardened tree sap
$500 What’s My Age Again?
The phrase “younger over older” could be used
to remember the principle of
a. geologic columns. c. unconformities.
b.
absolute dating.
d.
superposition.
$100 Putting the Pieces Together
Which of the following is a trace fossil?
a. a mosquito trapped in amber
b. a mummified plant seed
c. a frozen woolly mammoth
d. a mark left by a dinosaur’s tail
$200 Putting the Pieces Together
Which of the following events would be a
catastrophe?
a. an average rainfall
b. an asteroid hitting the earth
c. deposition
d. gradual erosion
$300 Putting the Pieces Together
Which kind of temperatures will slow
down an organism’s decay?
a. freezing temperatures
b. warm temperatures in a wet climate
c. hot temperatures
d. cool temperatures
$400 Putting the Pieces Together
During which era did birds and small
mammals begin to evolve?
a. Cenozoic
c.
Jurassic
b. Paleozoic
d.
Mesozoic
$500 Putting the Pieces Together
A fossil used to date surrounding rock
layers is called a(n)
a.
b.
mold.
cast.
c.
d.
index fossil.
trace fossil.
$100 It’s Time!
During which eon were the earliest known
rocks formed on Earth?
a. Archean c. Phanerozoic
b. Hadean d. Proterozoic
$200 It’s Time!
Which of the following can scientists NOT
interpret by examining fossils?
a. how the pull of gravity has changed
b. the age of certain layers of rocks
c. how Earth’s environment has changed
over time
d. how plants and animals have changed
over time
$300 It’s Time!
How many years of Earth’s history do
geologists study?
a. 150 million years c. 4.6 billion years
b.
2.5 billion years
d.
10 million years
$400 It’s Time!
According to uniformitarianism, how does
geologic change happen?
a. gradually
c. every few years
b. after an earthquake d. suddenly
$500 It’s Time!
How are rock layers arranged in the geologic
column?
a. Oldest rocks are on the top.
b. Youngest rocks are in the middle.
c. Youngest rocks are on the bottom.
d. Oldest rocks are on the bottom.
Back to the Basics (1)
Pieces together (4)
D
Answers D
D
Whats my age again (3) B
B
D
A
C
B
D
D
C
C
C
D
It’s Time (5)
How old is old (2)
A
A
A
A
C
C
A
A
D
D
Final Jeopardy
If a trilobite was buried by ocean sediment,
it would leave a cavity, or a(n)
a. cast.
c. index fossil.
b. trace fossil. d. mold.
Final Jeopardy Answer