stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Earth History Review Flashcards | StudBud
Explore
/
Earth History Review
Earth History Review
26 terms
·
StudBud Administration
·
1,255 plays
questions to review for our Earth HistoryTest
Flashcards
26 cards
F
Practice quiz
P
Host live
L
Questions
26
Answers
1
What does the Law of Superposition state?
Upper rock layers are older than lower rock layers
rocks formed near volcanoes are older than surrounding rocks
lowest layer contains the older rocks
Each layer of sedimentary rock represents 1000 years
2
Radioactive dating is used to find
absolute age of rocks and fossils
identities of index fossils
relative age of rocks and fossils
location of fossils
3
Which part of an ancient reptile would you expect to see in a rock fossil?
Eye
Muscle
Heart
Bone
4
what era is known as Age of Amphibians?
Mesozoic
Precambrian
Cenozoic
Paleozoic
5
How do scientists know when a mass extinction took place
they find more fossils of plants
they find evidence of changes in Earth's atmosphere
they find the sudden disappearance of many fossil species
they find fossils of animals that died suddenly
6
What are plate tectonics?
the layers of Earth
Something used to serve food
Cracked sections of crust that fit together like a puzzle
interactions between Earth and atmosphere
7
What is responsible for plate tectonics
the oceans
volcanoes
earthquakes
convection currents
8
What era is known as Age of Reptiles
Precambrian
Paleozoic
Mesozoic
Cenozioc
9
Which one could help a scientist determine age of a fossil?
weather conditions in area of bones
birds living in the same area
kinds of trees living in the same area
index fossil in the same area
10
Scientists find same fossil on Europe and America, what is the possible explanation?
the continents were once joined and drifted apart
Law of superposition
the organisms adapted
the same organisms evolved on separate continents
11
The earliest part of Earth's history is called the
Cenozoic
Precambrian
Cambrian
Holcene
12
How old is Earth?
4.6 Million Years
2 billion Years
4.6 Billion Years
460 Million Years
13
In which type(s) of rock would you most likely find a rock fossil?
Metamorphic
Sedimentary
Sedimentary and Igenous
Igneous
14
Which of the following rock layers is the youngest
trilobites
amphibians
mammal
fish
15
Which rock is formed with heat and pressure?
sedimentary
fossil
metamorphic
igneous
16
Scientists study air bubbles in which of the following to learn about Earth's atmosphere?
Pollen
Ice Cores
Fossils
Rocks
17
What do earthquakes tell scientists?
Earth's climate is constantly changing
continents of Earth are continually moving
Oceans are much deeper today than millions of years ago.
Dinosaur became extinct about 65 million years ago
18
An index fossil is found in the same layer as a cat fossil, what can be determined?
Cat fossil is younger than index fossil
Relative age of cat fossil
Cat fossil is older than index fossil
The 2 fossils are from the same species
19
Which of these substance best preserves soft parts of an organism
Sedimentary Rock
Amber
Igneous Rock
Air
20
How do scientist measure the rate of radioactive decay?
half life
ages
periods
eras
21
What process is most responsible for the extinction of most species of plant & animals
Gene mutation
Decrease in reproduction
Selective breeding
Environmental changes
22
In the diagram, which rock layer is the oldest
Z
L
A
M
23
Dinosaur bones are in bottom rock layer & mammal bones in middle layer, what can be determined?
Dinosaurs ate plants
Dinosaurs and mammals lived at the same time
Mammals lived before dinosaur
Dinosaurs lived before mammals
24
If scientists find a foot print in a rock, what type of fossil is it?
Mold Fossil
Carbon Fossil
Trace Fossil
Cast Fossil
25
what do uniformitarianism mean?
past
sudden
gradual
present
26
What era do we live in?
Precambrian
Mesozoic
Cenozoic
Paleozoic
