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Layers of dirt emdbeded with fossils and adjacent layers of dirt with writing and numbers. Some people and a dog with a pickup truck. A winged reptile. Why are their no human remains

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Observations
- a blue truck
- a dinosaur
- different fossils
- many different layers
- names of the layers
- age of layers
- each specific layer name
- 3 main layer names
Question
Why aren't there any fossils at the bottom layer of the picture?

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-Protozoic and Archean has no fossils
-the layers have labels
-each layer has a different color
-Pterodactyl
-Truck w/ fossils
-2 men w/ shovel and dog
-Paleocene and Cretaceous period has KT

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Observations:
- different colors for each time period
- no fossils in the Archean and Proterozoic eras
- numbers on the right side
- different fossils in each layer
- sections and sub-sections
- the top layer contains humans and a truck
Scientific Question:
What caused the two large extinctions?

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-layers with animal remains in it
-the layers have colors on them for each era
-a jackrabbit
How do they know all the layers, and depth

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-dinasour bones
-colors
-layers
-a truck with tools
-3 people ontop  of many layers
-large numbers
-One side of the layers have bones in the layers
-other side has words and numbers
How much time does it take to

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- There are three main timelines and a lot of smaller timelines
- There are many different fossils
- There are people up on top
- There are letters TK and TP
- It shows two major extinctions
- Each label is a number of years
Why is there so many different eras

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Observations
-bones
-different dates
-dinosaurs
-fossils
-2 extinction periods
-different soil
-different time periods
-people on top
Questions
-Where do they get all the different names for the different periods?
-Why is there only 1 fossil in the Proterozoic Era and none in the Archean Era?

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there are people that appear to be digging at the top
they are standing next to a dog
there is some kinds of fossils
there are different shades of colors to represent the era and layers
the people at the to had a truck
What are the names of the fossils?

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OBSERVATIONS:
~There are bones
~Different time periods
~People on top of the mountain
~There is a truck with something in it
~There ar animals
Question: How many fossils have people found?

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~the years on the side
~the different colors
~the people and truck at the top
~the fossils in the box
~when the KT event happened
~the ears
~the different layers
Q-how long does it take s

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Observations:
~ Historic timeline
~ Showing fossils
~ 3 Eras: Paleozoic, Mesozoic, Cenozoic
~ 2 mass extinctions : PT & KT
~ 4.6 billion years ago to 10,000 years ago
~ Shows evolution
Question:
What is the average time period between

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OBSERVATIONS:
-people
-timeline
-fossils
-dog
-shovel
-a truck with a fossil in the bed
-the suffix "ocene"
-the suffix "ian"
"Gigantic Extinction"
"Big, Big Extinction"

QUESTIONS:
What do the letters on the right stand for (T, P, T, K)?
What do the suffixes "ocene" and "ian" mean? And how does the meaning relate to why the time period was given that name (Holocene &

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-A diagram of the eras
-Layers that have the names of time periods in order, and at the top lays 2 people
-The people have a dog, a shovel, and a truck that has fossils in it, which probably means that they are hunting for fossils
-The 'Mountian' of layers that the people are on has two sides; right and left
-the left side had fossils that belong to the time period layer it is in
-the right side has names of eras and smaller eras to the right of that
-it covers the eras from when the earth was formed to today
--Question:-
I wonder what kind of animals evolved from pterodactyls

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>Blue truck on top of soil
>A man, a woman, and a dog beside the truck, and on top of soil
>Soil is broken up into different layers. There are 3 big layer and within those big layers are smaller layers
>Each small layer has a different name, different picture of different organisms that look similar to the one before it
>Each layer also has a date next to it saying things like 10,000 years ago.
>The farther down the layers you go are less complex organisms and the date is farther back
>How do they separate the different eras?

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Dinosaur flying
People
Dogs
Truck
Shells and fossils on truck
Dates for each category
Fossils
Shells
Colors for each category
How long would it take for a fossil to desolve?

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Observations
- time periods of different species
- types of fossils
- labels for time periods
- fossils changing as time goes by
- extinctions every time period

Why after every time period there has to be an extinction

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-car on a hill
-colorful hill
-many columns
-numbers and dates
-different fossils
- a pterodactyl
Why are there less fossils on the bottom layers and not the top?

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1. Different eras on right side.
2.

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-fossils
-layers/sections
-periods of time
-animals
-dinosaurs
-many different colors
-numbers
-bones
-layers stacked on top of each other
-different animals in different secrions
-every section is a different color or shade
-labels

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Observations:
-fossils to the left of the photo
-time periods to the right of the photo
-each time period had a different color
-variety of colors
-numbers of years
-people, dog, and truck
-layers of earth
How many years does it take for a species to evolve to something completely different?

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- Many different colors such as blue, purple, pink, red, yellow, brown, and green.
- Lots of fossils separated into sections or categories.
- A flying animal, possibly a dinosaur.
- Numbers from youngest to oldest (top to bottom).
- Three main periods of time, Cenozoic, Mesozoic, Paleozoic.
- Each section has its own color
- Two sections on the bottom have no fossils.
Q: Why do the the bottom two sections have no fossils or soec

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many layers
many different fossils
many groups of fossils
labels for each group
lengths of each layer height wise
fossils changing as you move up

How do scientists determine the age of a fossil?

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Multi colored
Dinosaurs
Different eras
Truck
People
Numbers
Cloths
Bones
How did the first extinction happen

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-different time periods
-bones and fossils in each period
-color coded
~why is each era a different color and why?

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Observations: There is a mountain shaped structure with colered layers, a truck, a person and a dog all on the top, layers on the right with text in inside them, layers on the left with fossils in them and between each colered layer to their right there is letters and a text, a flying creature to the left. 3 layers in the middle, 19 layers on the right and 19 layers on the left.

Question: How do they know the different layers were different from each other?

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- fossils
- sectioned in 3 separate groups
- dates
- truck and dog on the top of the "hiarc

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~there are labeled layers
~the layers have multiple colors
~there are small "fossils" inside of the structure
~there are people on top of the structure and numbers off to the right

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Observations
Prehistoric animals
Dates
Words and numbers
Truck
People and dog
Colors and layers
Bones
How did they come up with the names of the eras?

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-What looks like a timeline with many different colors
-shaped like a mountain
- left ide are pictures of creatures
- right side has names of eras
- most of the era names either end in -ic or -ian
How long does it take for the creatures to change ?

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-observations: I saw that there were no fossils on the bottom of the chart, different colored sections, and different fossils for each one.
-question: why were there no fossils on the bottom where it says Proterozoic and Archean?

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Colors
Animals
People
time zones/eras
Words/numbers
Bones/fossils
How did they find out or come up with the different periods of time/ eras?

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Observations
*Earth formed 4.6 billion years ago
* The lower you go, the older it is
* The oldest layer is Archean
* There are Paleozoic, Mesozoic, and Cenozoic
* There is a change in the animal's structure over time

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-There are some remains from different creatures.
Some of the remains look like creatures that lived in water.
Why does each layer have different remains and why aren't they all just in one big group with all the layers connected?

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-3 color coded major sections
-Different types of creatures in each section
-Top layers have periods of time along the side
-Fossils inside the layers

Question :
Why were those main three sections given a name as the following ?

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observations:
-layers with different colors
-the layers have different time periods to the right
-fossils in the layers
-different fossils in the layers
question
why are there no fossils in the proterozoic and archean layers ?

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There is bone, dirt, and water.
Bone get smaller the deeper you go.

Q:Why did the bone

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observations:
- varied names on the side
- different sections
- small drawings of different creatures
- different drawings in each layer
question:
what do each of the name labels mean

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OBSERVATIONS:
There are prehistoric names. Also how many years ago was this animal were alive. different layer ( in different times ) with different kinds of creatures go with a scientific name .

SCIENTIFIC QUESTION: How did they come up with the names of the time periods.

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Observations:
- Different colors in different sections
- drawings
- 4 main columns
- different titles to different sections
- different creatures
- numbers on the sides
Why do some of the time periods seem like they were named after states?

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Observations: Eras - Fossils - Flying creature - Bones - Shells - People - Words and numbers - layers - Creatures/ things in layers
Question: What was the "gigantic extinction" in the middle of the Triassic and Permian zones?

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At the bottom of the pillar of rock there is no fossils but as you look up the pillar you start to see sea creatures, then dinosaurs, then mammals, and finally at the top there are people who look like they are ready for an archeological expedition. At the right of the pillar there are words such as Jurassic. In between the fossils are two extinction periods.
What is the TP extinction?

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Observations
Color coded, 3 major sections, different creatures in the layers, T K, P T, different times, names to go along with layers
Question
Why were some of the layers than others.

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A layered rock with different categories
At the bottom of the rock there was dark or cool colors then transitions into warm colors

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Letters KT and KP
Different fossils in each layer
Names and numbers

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Colored Layers, bones,schells, TK and TP,
How do the bones match the layers

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-Fossils on the left side
-Numbers/dates on the right side
-People on the top
-A truck with a shell
-Different layers
What is the meaning of the different layers?
Why are the animal structures changing over time?

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Some of the observations that I obtained was that there is time periods, also shows big extinctions that have happened throughout time .

How did they categorize

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I see bones and there was different colors behind the bones. I saw some figures maybe humans at the top of the chart with a blue truck. I see that there are different eras on the side. There is a sign on the side that says, "millions of years ago". It looks to be a few different green plants added into layers. I see from the bottom up it looks like oldest to youngest eras in time.
What is the Proterozoic and Archean eras because the other words are in categories called Paleozoic, Mesozoic, and Cenozoic.

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Obversations, bluetruck, fossils, different time periods, major extinctions, oldest to newest,

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Layers
Bones
Fossils
Numbers
There is no other category that Proterozoic and Archean are put into
Why is there no other categories that Proterozoic and Archean are put into?

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~Timeline throughout all the animal eras.
~The animals changing
~All types of different colors
~Left side =creatures Right side =Era
~Looks like a building
~Layers going with creatures and era

How did they know how long the animal was there "Era year" and how did they put it in that category of the animal and Era?

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Observations: different animals and life forms in their own categories labeled with their own names. By there names are numbers. Colors and different titles that end in "ozoic"? People or humans are at the very least top. Question: how are these animals related?

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Top has smaller number of years, But as you look down it gets bigger. The fossils get more complicated as you look up. 2 Extinctions.
How does the organism change its bone structure with age?

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Observations
Observations
Question