3.1 Observing Earth
3.2 Geologic Time
3.3 Mapping Earth
General Chap 3 Q's
Review Questions
100
What is a fossil?
A fossil is a part of a dead animal or plant that has been preserved for a long time.
100
If a tree has 12 tree rings, how old is the tree?
12 years old
100
A representational drawing of a location is called...
a map
100
What is Geology?
Geology is the study of the Earth (or rocks)
100
List all 5 senses
Touch, Taste, Smell, Hearing, Sight
200
What does the idea of Superposition say?
Older things are on the bottom, younger things are on the top.
200
What is an element?
An element is a substance with only one kind of atom.
200
All points on a single contour line have the same ....?
All points on a single contour line have the same elevation.
200
What kind of organisms lived in the Precambrian Era?
Single-celled organisms
200
A measurement includes which 2 parts?
a number and an unit
300
Which scientist said that "The present explains the past"
James Hutton
300
How old is the Earth?
Roughly 4.5 to 4.6 billion years old
300
the 0 degrees longitude line is called...
The prime meridian
300
The 0 degree latitude line is called...
the equator
300
List the 5 steps of the scientific method in order
1)Observe, 2)Question, 3)Hypothesize, 4)Collect Data/Experiment, 5)Draw Conclusion
400
Explain lateral continuity
Lateral continuity is the idea that layers of sediments are of the same age, and extend horizontally. They may even be separated by a canyon or earthquake.
400
What does dendrochronology mean?
dendrochronology means "tree ring dating"
400
Cupertino is at 37 degrees North, 122 degrees West. Which one is longitude, which one is latitude?
37 degrees north = latitude, 122 degrees west = longitude
400
Does Greenland have a North or South latitude? East or West longitude?
Greenland has a North latitude and West longitude
400
What is the difference between an observation and an opinion?
Everyone agrees on an observation, opinions can change from person to person.
500
What info can and can't relative dating tell us.
Relative dating can tell us the order of which things happened, but not the exact date of when things happened.
500
What can radioactive dating do that relative dating cannot do?
Unlike relative dating, radioactive dating can tell the exact age of fossils.
500
Name 1 similarity and 1 difference between topographic maps and bathymetric maps
Both maps use contour lines. Topographic maps show elevation, bathymetric maps show depth
500
Does Mesopotamia have a North or South latitude? East or West longitude?
Mesopotamia has a North latitude, East longtitude.
500
A variable that must stay the same throughout the experiment is called...
A control variable.
M
e
n
u