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Geologic Time
Test Description: Review of Geologic Time and the Fossil Record
Instructions: Answer all questions to get your test result.
1) What are the largest divisions of time in the Geologic Time Scale?
A
Eras
B
Ages
C
Eons
D
Periods
2) What Era are we living in?
A
Cambrian
B
Cenozoic
C
Mississippian
D
Jurassic
3) Which is more exact?
A
Relative Dating
B
Blind Dating
C
Absolute Dating
4) What Law states that older rocks/fossils will be found in lower layers of the Earth?
A
Law of Geologic Time
B
Law of Superposition
C
Law of Gravity
D
Law of Volcanos
5) About how old is the Earth thought to be?
A
4.6 million years
B
46 billion years
C
4.6 billion years
D
46 million years
6) What vertebrates DID NOT live at the time of dinosaurs?
A
lizards
B
fish
C
humans
D
birds
7) Scientists believe that the first type of lifeforms on Earth were
A
worms
B
trilobites
C
bacteria
D
insects
8) About how much of Earth's history passed before there was oxygen in our atmosphere?
A
3/4
B
1/3
C
1/4
D
1/2
9) What is thought to be the source of all water on Earth?
A
ice ages
B
photosynthesis
C
meteorites
D
volcanic eruptions
10) TRUE or FALSE Earth has has survived more than one ice age.
A
FALSE
B
TRUE
11) Where do scientists believe life most likely began on Earth?
A
near swampy areas
B
in the crystals of meteorites
C
in volcanoes
D
under the oceans
12) Eons are divided into 3...
A
eras
B
periods
C
ages
D
epochs
13) Fossils are usually used for _______ dating of rock layers.
A
relative
B
remote
C
radiometric
D
absolute
14) What type of scientist collects and studies fossil evidence?
A
biologist
B
meteorologist
C
paleontologist
D
zoolologist
15) What can you infer if fossil A is found in a layer of the earth that is above fossil B?
A
Fossil A was from an animal that was fighting the animal that formed Fossil B.
B
Fossil A is older than fossil B.
C
Fossil A was from an animal that lived at the same time as fossil B.
D
Fossil A is younger than fossil B.
16) At one time the Earth had a large amount of oxygen. This caused...
A
an ice age to occur.
B
the planet to get hotter.
C
animals and plants to grow very large.
D
volcanic eruptions.
17) How do scientists believe the moon formed?
A
A planet collided with the Earth and pushed rock/dust into space, which orbited the Earth.
B
It formed at the same time the Earth did;from the same loose rock/dust as the Earth.
C
It was formed somewhere in the universe and was captured by the Earth's gravity.
18) Are all of the time divisions on the Geologic Time Scale equal in length?
A
NO
B
YES
19) From which continent do scientists believe the earliest form of humans came from?
A
Asia
B
Africa
C
Pangaea
D
Europe
20) What do we call the study of the physical structure and history of the Earth as told through rocks
A
astronomy
B
paleontology
C
biology
D
geology
*select an answer for all questions
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