Weathering
What happens to rocks when it is weathered?
They are broken into smaller pieces.
Is erosion the process where soil and rocks are broken up or moved?
Deltas and Alluvial fans are created by weathering or deposition?
Deposition
Name the four rapid changes that change the earth's surface.
Floods, earthquakes, volcanoes, landslides/rockslides
What can be uncovered through the processes of weathering and erosion?
fossils
What happens when water freezes inside a rock?
It expands and breaks the rock.
What are the three causes of erosion?
Wind, ice, water and gravity
What is a meander?
A turn in a stream or river.
What rapid change occurs in Fort Madison?
flood
What are fossils?
Preserved remains of plants and animals.
Is the weathering of a rock a rapid or gradual process that changes the earth's surface?
gradual
What can slow down erosion?
Planting plants, grass, retaining walls can all slow erosion.
What is a canyon?
A deep valley with steep sides eroded by a river.
Name three rapid changes that are very hard to predict.
Earthquake, volcano, landslides/rockslides
history of the Earth, or what animals looked like, when they lived, and what they ate
What are the three causes of weathering?
Wind, water, plants
Which earth material will travel further down on a stream table? (Put them in order)
Pebbles, sand, and clay. Clay will travel the farthest.
What is the sides of a hill or mountain called?
slope
Where do most volcanoes occur on Earth?
Near the Ring of Fire
Where can you see the T-Rex fossil "Sue?"
Field Museum in Chicago, Illinois
What are two types of weathering?
Physical and Chemical weathering
The Grand Canyon
A low between hills and mountains often where a river flows is called......
a valley
What are two positive outcomes that can happen after a volcano?
rich soil, electricity, uncover diamonds
What creates layers in order for fossils to form?
sediment (pieces of broken up rocks and soil)