stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Earth Science Test Prep Flashcards | StudBud
Explore
/
Earth Science Test Prep
Earth Science Test Prep
15 terms
·
StudBud Administration
·
639 plays
Test is based on your notes and anything else taught in class so far
Flashcards
15 cards
F
Practice quiz
P
Host live
L
Questions
15
Answers
1
Rock layers that are cut by a fault formed:
after the fault
before the fault
at the same time as the fault
there is not enough information to answer the question
2
idea that younger rocks are found above older rocks is called:
uniformitarianism
superposition
catastrophism
3
Mesozoic era is the age of ______________
mammals
magic
reptiles
fish
4
A ___________ is a cavity in rock where a plant or animal was buried
trace
cast
mold
petrification
5
which of the following does not describe catastrophic change?
sudden
rare
widespread
gradual
6
Which of the following describes change according to uniformitarianism?
sudden
gradual
rare
global
7
The unit of geologic time that began 65 million years ago and continues to present
phanerozoic eon
quaternary period
holocene epoch
cenozoic era
8
which of the following is a trace fossil?
wood replaced by minerals
mammoth preserved in ice
insect preserved in amber
dinosaur trackway
9
Scientists assign relative ages by using what?
carbon 14 dating
law of superposition
radioactive half lives
absolute dating
10
paleozoic era is the age of __________?
dinosaurs
reptiles
mammals
early/old life
11
radioactive isotope has a half-life of 1.2 "my". In 6 "my" how much of the original remains?
one sixteenth
one eighth
one fourth
one thirty -second
12
How many MILLIONS of years old is the Earth?
1,000,000
1000
4,600
4,600,000
13
cenozoic era is the age of ____________
fish
mammals
amphibians
reptiles
14
How long ago did dinosaurs become extinct?
65,000,000 years ago
65 billion years ago
65,000 years ago
end of last ice age
15
the more space an object takes up, the greater its _________________
weight
mass
density
volume
