Earth and Space Science Standard 4 Test

What is the Principle of Superposition

Traces of imprints or living things like animals, plants, and bacteria

In a sequence of undisturbed sedimentary layers or lava flows, the oldest layers are at the bottom.

The science of determining the relative order of past events without finding out their absolute age

What is the principle of Uniformitarianism?

An assumption that the same natural laws and processes that operate in the universe now have always operated in the universe in the past and apply to everywhere in the universe.

History Repeats itself

All of the above

What is a fossil?

Traces of imprints or living things like animals, plants, bacteria and fungi.

The process of determining an age on a specified chronological order.

History repeats itself

What is the difference between relative and absolute dating?

Relative- time it takes half of the unstable atom to decay. Absolute- time it takes all of the unstable atom in a sample to decay.

Relative- the science of determining the relative order of past events without finding out their absolute age. Absolute- the process of determining an age specified chronological order.

None of the above

What two things do scientists use to outline the history of life on Earth?

Geologic Time Scale

Fossils and absolute dating

All of the above

What factors determine relative age of a fossil?

Relative dating and absolute dating

Study rock layers and fossils inside of them

Time scale and tracers

What is radiometric dating? How does it help determine absolute age?

Absolute dating

They use this information and half-life of the elemnt to calculate the ago of the rock

All of the above

None of the above

How is coal formed?

Forms from remains of plants

From remains of animals

From remains of plants and animals

What is a geologic time scale?

When you take every era and you know what was living at every part in time

Comparing stable and unstable atoms

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Earth and Space Science Standard 4 Test

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