The Earth
outer core, inner core, mantle, and crust
What are the layers of the Earth?
inside the continent or along the edges
What is the typical location where mountains form?
I study fossils.
What does a paleontologist study?
wind, water, and ice
What are types of weathering and erosion?
fire, flood, tornadoes, hurricanes, earthquakes, etc.
What are natural disasters?
4.5 billion years old
What is the estimated age of Earth?
They are more rounded and weathered.
What do older mountains look like?
The remains of plants and animals.
What are fossils?
planting trees, building terraces, and growing grass
What are ways to prevent erosion?
a type of landslide
What is an avalanche?
2,000 feet about sea level
What is the height of a mountain?
One way mountains are created is...
What is created when tectonic plates collide?
how the land or animals have evolved
What fossil layers tell you?
drys and cracks after a lot of exposure
What does the sun do to the earth?
Removes trees, loosens the soil, and increases the chance of landslides.
What is logging?
Pangaea
What was the original continents name?
most are found in the middle of the ocean
What is a volcano?
found in the deepest part of the fossil layer
Where is the oldest fossil found?
washes away the soil
What does a lot of rain do to the Earth?
when the Earth's plates move away from one another
What is an earthquake?
Found along the EDGES of tectonic plates
What are ocean trenches?
Water erosion from rivers flowing for many years.
What created the Grand Canyon?