Earths history study guide by Wyatt Medlin

What are sedimentary rocks?

• Rocks that tell us about Earths past.

• Rocks that harden quickly.

• Rocks that tell us about Earths Future.

• Rocks with cracks and holes in them.

What is the law of superposition?

• It tells us the rock layers age with the oldest at the top and the youngest at the bottom.

• It tells us the rock layers age with the youngest at the top and the oldest at the bottom

• Study of the movement of tectonic plates.

• A law stating that everything decays overtime.

Tags

NGSS.MS-ESS1-4

Fossils show us (a)   .

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What are Unconformities?

• Evidence of Pangea.

• The evolution in Earths history.

• Time labels of different eras.

• Gaps in earths history.

Tags

NGSS.MS-ESS1-4

What is a half life?

• The amount of time it takes for 25% of the remaining radioactive material to decay.

• The amount of time it takes for 50% of the remaining radioactive material to decay

• The amount of time it takes for 75% of the remaining radioactive material to decay.

• The amount of time it takes for 10% of the remaining radioactive material to decay.

Tags

NGSS.HS-PS1-8

How is Absolute dating determined?

• Radioactive dating

• The law of superposition

• Radiometric dating

• Through Igneous rocks

Using absolute dating and relative dating you can find (a)   .

Tags

NGSS.MS-ESS1-4

True or False? IF a fault line goes through the second most recent layer of rock created, The fault line is more recent than the layer.

• True

• False

Tags

NGSS.MS-ESS1-4

What element is found by using Radioactive dating?

• copper

• water

• uranium

• Acid

Tags

NGSS.HS-PS1-8

Ice cores contain...

• Evidence of changes in atmospheric composition.

• Evidence of changes in hemispheric composition.

• Evidence in the changes of ice.

• Evidence that all snow flakes are different from one another.

Tags

NGSS.MS-ESS3-5