Structure of the Earth
On what layer of the Earth are we living?
The crust
What is a fossil?
A living thing that is now dead since a long time ago and is imprinted in a rock.
What phenomenon causes rocks to break apart?
Weathering
What would scientists do to figure out what a city was like millions of years ago?
Look at fossils and rock samples from the ground.
On what layer of the Earth can we find fossils?
The crust
Name two examples of fossils that could be found in an ocean environment.
options: fish, shark, sponges, corals, etc.
How do we call the process by which rocks are moving from one place to another?
Erosion
A scientist is certain an environment was an ocean millions of years ago. Another one says it was a desert. What could they do to figure out who is right?
Look at fossils and rock samples from the ground.
Name at least three layers of the Earth
Options: the crust, upper mantle, lower mantle, outer core, inner core.
True or false
Fossils could also include leaves.
True
How do we call when a rock or small rocks stop being moved around and settle.
Deposition
What would scientists do to figure out why the sidewalks in a city are all broken?
Investigate if the environment has frozen moments or if there are trees around with roots that might cause the sidewalks to break.
What layer of the Earth is in the center?
Inner core
What is a rock?
A hard thing made of minerals compressed together.
How do we name the process by which rocks break apart because of the ice?
Ice wedging
What layer of the Earth is the widest?
lower mantle
What is the main difference between a fossil and a rock?
A fossil was once a living thing, but a rock is just a bunch of minerals compressed together.
How do we name the process by which rocks break apart because of roots of trees.
root wedging