Glaciers
Ice Cores
Index Fossils
Vocabulary
More Vocabulary
100
When a glacier loose more ice than it accumulates, the glacier is __________
What is receding/retreating
100
We are presently in the ______ period of the fifth ice age.
What is warm
100
Woolly Mammoths lived about ________ to ________ years ago
What is 150,000; 10,000
100
This is the breakdown of rock into smaller pieces from exposure to wind, water, and/or biological forces.
What is weathering
100
The Earth is tilted 23.5 degrees causing this to happen throughout the year.
What is change of seasons
200
A glacier __________ when the accumulation of snow and ice is more than it melts
What is expands
200
This section is the oldest in an ice core sample
What is Section 1/Bottom layer
200
Name the three types of fossils.
What is encapsulation, replacement, trace
200
The comparison of fossils in different rock layers to determine how old a rock or fossil is
What is relative dating
200
This is the movement of sediment to a new location by wind or water
What is erosion
300
These are shallow, sediment filled lakes that form when pieces of glacial ice breaks off and melts
What is kettle lakes
300
A cold period follows this type of sudden event
What is massive volcanic eruption
300
Name one adaption from a mammal during the ice age
What is more fur/hair, bigger, large teeth, more fat, different diet.
300
Cylinders of ice drilled out of glaciers that contain layers of snow, dust, volcanic ash, atmospheric gases, and microbes from past time periods
What is ice core
300
Winter, Spring, Summer, Fall
What are seasons
400
This is the Shape of a valley when a glacier passed through
What is U-shaped
400
The equator is warmer because of this reason
What is the equator get direct sunlight all year long
400
Another word for adaption
What is evolution
400
A glacier leaves behind this type of eroded sediment
What is glacial till
400
Certain fossils known to exist in a particular time and place that may be used to determine the age of rocks or other fossils
What is index fossils
500
Name five different types of land forms from receding glaciers
What is erratic rock, moraines, drumlins, eskers, kettle lakes, outwash plains
500
Name the four climate events found in ice cores
What is warm period, cold period, biological activity, volcanic ash
500
Name mammals that existed in North America during the ice age
What is woolly mammoths, giant sloths, horses, humans, saber-tooth cat
500
This is what happens when a species no longer has any living members in existence
What is extinction
500
The change in Earth's tilt over time; changes the length of the seasons
What is Earth's wobble
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