Aim: What information will be covered on Aim: What information will be covered on our rocks and minerals exam?our rocks and minerals exam?Objective: Students will know the Objective: Students will know the information required of them for their information required of them for their exam.exam.Do now: How can we tell if one fossil is Do now: How can we tell if one fossil is older than another?older than another?

StudyStudy►RocksRocks

3 rock types3 rock types How each rock type formsHow each rock type forms How to use the rock cycle diagramHow to use the rock cycle diagram

►FossilsFossils What they areWhat they are How to find their relative ageHow to find their relative age

Review mineralsReview minerals

What are the three rock What are the three rock types?types?

What is the main difference What is the main difference between a mineral and a rock?between a mineral and a rock?

Which rock type forms under Which rock type forms under immense heat and pressure?immense heat and pressure?

Which rock type forms from Which rock type forms from the solidification (cooling) of the solidification (cooling) of

magma?magma?

Which rock type forms from Which rock type forms from the cementation and the cementation and

compaction of sediments?compaction of sediments?

What are sediments?What are sediments?

What causes sediments?What causes sediments?

What type of rock forms What type of rock forms directly from magma?directly from magma?

Identify the two processes Identify the two processes required for the formation of a required for the formation of a

sedimentary rocksedimentary rock

What type of rock is most likely What type of rock is most likely to be found at the base of a to be found at the base of a

volcano?volcano?

►Which fossil is youngest?Which fossil is youngest?

►What fossil is older dinosaurs or What fossil is older dinosaurs or armored fish?armored fish?

►Which layer of bedrock formed first?Which layer of bedrock formed first?

►Explain why the trilobites are Explain why the trilobites are considered the old fossil in this considered the old fossil in this diagram.diagram.

►Explain how this diagram shows that Explain how this diagram shows that the earth’s layers of rock were not the earth’s layers of rock were not formed at the same time.formed at the same time.

►The endThe end

BonusBonus

►Why do we find the relative age of the Why do we find the relative age of the fossils and not the exact age?fossils and not the exact age?