The preserved remains of an ancient organism.
What is a fossil?
Canyon
In which type of rock are scientists likely to find fossils?
What is sedimentary?
Define marine environment.
Related to a body of saltwater.
Related to a body of saltwater.
What is marine?
Sediment
The preserved remains of ancient organisms are called__________.
What is fossils?
What type of fossil would best provide evidence of a marine environment?
A. preserved footprint
B. fossilized sea shell
C. perserved dragonfly
D. perserved branch
B
A type of rock formed by the deposition of sediment in layers.
Fossil
How can earthquakes help scientists to discover new fossils?
When Earth shakes, it moves the crust around and this could help expose new rock layers and fossils.
True or false. The top layer of soil is the oldest layer.
False
Small pieces of weathered rock.
What is sediment?
Erosion
What is the movement of sediment from one place to another by wind, water, or ice.
Which characteristic does the order of the rock layers provide?
Age
A seashell fossil would found on top of Mt.Everest would indicate what?
The movement of sediment from one place to another by wind, water, or ice.
What is erosion?
Sedimentary Rock
What is a type of rock formed by the deposition of sediment in layers?
A geologist determines the chronological order in which layers of rock were deposited in a canyon. How does she do this?
She examines the layers of the rocks determining the oldest are at the bottom and youngest are towards the top.
Which description BEST explains how fossils and rock layers help scientists understand Earth’s surface?
Fossils are evidence of how each layer was deposited. Scientists use this evidence to support the idea that Earth’s surface is constantly changing.