Changes to Earth's Surface
Sedimentary Rocks
Fossils
Formation of Fossil Fuels
Fossil Fuels
100
What is erosion?
The movement of sediments from one location to another.
100
What are small particles of rock?
sediments
100
What are the remains of traces of past life, often found in sedimentary rock called?
What are fossils?
100
What is oil formed from?
decayed remains of marine animals and fish
100
What are the three main types of fossil fuels?
coal, oil, and natural gas
200
Canyons are formed by what? How long to they take to form? Is it slow or fast?
Rivers eroding the land. It takes deep canyons hundreds of thousands of years to form. It happens really slowly.
200
What is the type of rocks fossils are formed in?
sedimentary rocks
200
What can also be found in sedimentary rocks?
Fossils!
200
flooded swamps and forests
What is where coal was formed?
200
What is required in the formation of coal or oil?
heat and pressure
300
Weathering does what to rocks, mountains and land?
Breaks it down into smaller pieces called sediments.
300
What is pressing tightly together?
compaction
300

What are fossils?

Fossils are the remains of something that lived a long time ago.

300
more than 300 million years ago
What is how long ago coal, oil, and natural gas deposits were formed?
300
Why are fossil fuels called "fossil fuels"?
They form from the remains of ancient organisms.
400

What is deposition?

When moving sediments are dropped and aid the in the formation of landforms

400
What is binding things together?
cementation
400
Finding fossils in different places supports what theory?
What is continental drift?
400
What is coal formed from?
decayed remains of plants
400
Where are fossil fuels formed?
Deep inside the Earth.
500

What is a delta and how is it formed?

A delta is a landform that looks like a fan and forms from sediments being dropped when water starts to slow down.

500
How do sedimentary rocks form?
In layers. (Think about the Grand Canyon.)
500

True or False: A plant can be a fossil.

True.

500
Where are fossil fuels usually found?
Between layers of sedimentary rocks.
500
How do we extract fossil fuels?
Dig deep into the Earth.
M
e
n
u