True or False: Weathering is the carrying away of sediments caused by wind and water?
False, weathering is the process of creating new soil by breaking down rocks into smaller fragments known as sediments.
200
What does a fossil help us figure out?
The life and conditions of the past.
200
Which layer of the earth is made up of mostly molten rock?
Mantle
200
What type of rock are most fossils found in?
Sedimentary
200
A crack in the earth's plate is called a _________
Fault
200
What are the 2 types of weathering?
Chemical and Physical Weathering
300
What is dichotomous key?
A tool to identify items like rocks.
300
What layer of the earth is made up of solid iron and nickel?
Inner Core
300
How are igneous rocks formed?
The cooling of magma or lava
300
What type of boundary causes volcanoes?
Divergent Boundary
300
Give an example of PHYSICAL weathering.
-Running Water
-Wind
-Extreme Heat
- Freezing of water between cracks of rocks
- Plants growing between cracks in rocks
- Animals digging holes in rocks
400
Name a place that experiences many earthquakes.
San Andreas, California
400
Why do scientists believe that the inner core, which is the hottest layer, is completely solid?
They believe that it is solid because of the pressure and weight from the other layers.
400
What is an example (that we studied) of a metamorphic rock?
Marble or Slate
400
What type of boundary causes earthquakes?
Transforming-Fault Boundary
400
Give and example of CHEMICAL weathering.
-Rocks destroyed by acid rain
-lichens (produced by certain plants) produce acids and break down rocks.
500
Name one thing you learned during this unit, that you did not know before. It can be something interesting you learned.
Various Answers
500
Which layer of the earth is the thickest layer?
The mantle
500
What type of fossils is formed when the mud buries a plant or animal and quickly hardens around it?
A. Imprint
B. Cast
C. Molds
D. Petrified fossil
Molds
500
Name the 3 types of boundaries and tell what each do.
Convergent - Plates push toward each other.
Divergent - Plates move away from each other.
Transforming-Fault - plates slide past each other.
500
During erosion, rivers, streams, and wind carry tiny pieces of rock to new locations and lay them down. What is this called?