QnA

Question 1

1.​When examining rock layers, where do you find the oldest material? Why is this the case?

Answer 1

the oldest material is found at the bottom because they get covered up by newer layers of strata

Question 2

2. Why is the geologic time scale helpful for describing Earth’s history?

Answer 2

the geological time scale is helpful because it allows us to see in sections of time more clearer then a regurlar timeline would

Question 3

3. Fossils of trees were discovered in a sedimentary rock layer

Answer 3

based on the evidence I can conclude before the sedimentary rock layer was formed the terrain was all water where marine life lived before it became a forest

Question 4

4. What information might a scientist learn when studying Earth’s geological history?

Answer 4

A scientist might learn how landforms were made, patterns of animal movement, plant life, presence of water, volcanic activity, etc.

Question 5

5. If you were to create a model of fossil layers, what would you want to include to make your model accurate?

Answer 5

You would want to include several distinguishable layers with different items to show the variety of organisms in each strata layer.

Question 6

6. In which rock layer did the earthquake happened

Answer 6

Before layer x was deposited

Question 7

7. what can you conclude from the diagram below

Answer 7

that trilobites and dinosaurs did not exist at the same time

Question 8

8. The illustration below can conclude

Answer 8

The law of superposition tells me which is the oldest and which is the youngest.

Question 9

9. In which layer did the basalt enter

Answer 9

The intrusion was after the limestone was deposited

Question 10

10. why don’t fossils have skeletons at the bottom layers?

Answer 10

The first type of organisms that lived hadn’t evolved a skeleton yet until after these layers had formed