Vocab 1
Vocab 2
Absolute Dating
Random
Landforms & Florida
100
Preserved remains of ancient organisms
What is a fossil?
100
When plates collide and cause mountains or rock to look like this:
Folding
100
Fossils found at the same depth as an index fossil are ____ the index fossil
a) younger than
b) older than
c) the same age as
c) the same age as
100
True or false: plants can leave fossils as well
True
100
Which of the following is not a landform?
Mount Everest
The mid-ocean ridge
The Caribbean Sea
A Sea Cave
The Caribbean Sea
200
Older things are deeper underground
What is The Law of Superposition?
200
When rocks in mountains look like this:
Tilting
200
Name an index fossil
Trilobites or ammonites or tropites
200
Fossils found in the top layer of undisturbed sedimentary rock are
(a) youngest
(b) oldest
(c) heaviest
(d) lightest
(a) youngest
200
Which of these landforms is not formed by erosion:
Pyramid mountain
Dune
Sea Cave
Valley
Dune
300
Footprints, burrows, or bite marks left behind by living things that provide clues about Earth's history
What are Trace Fossils?
300
Dating techniques that estimate the actual age of a fossil or rock
Absolute Dating
300
If 5730 years is the time it takes for half of the Carbon-14 atoms to become stable, how many half-lifes were there for a fossil that is about 10,000 years old?
What is 2?
300
____ forms U-shaped valleys and ____ forms V-shaped valleys
Glaciers; rivers, streams, or water
300
This landform occurs when sediments form a triangular shape as a river meets a large body of water like an ocean or lake
What is a delta?
400
These allow us to study layers of ancient ice to learn more about what happened to the atmosphere
What are Ice Cores?
400
Dating techniques that compare one fossil or rock to another to say which is older, without saying how old.
Relative Dating
400
The time it takes for half the radioactive material to become stable.
What is a Half-Life?
400
The mummy dinosaur fossil was one of the only fossils to have what?
More than just bones (skin, flesh, and organs)
400
The four main types of landforms
Plains, hills, mountains, valleys
500
What scientific principle describes how the Earth's past landscapes were molded by the same forces as the present?
Uniformitarianism
500
Commonly used radioactive isotope for radiometry (same one we kept talking about in your lab)
Carbon-14
500
The absolute dating measurement for how old fossils are based on the concentration of radioactive materials
What is Radiometry?
500
A missing gap in the rock record
What is an Unconformity?
500
What kind of water can be found in an estuary?
Brackish water (a mix of salt and fresh water)