Sedimentary Rock and Fossils

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Sedimentary Rock

• Metamorphic Rock

Which of the words below describe broken up rock?

• sediments

• magmas

Erosion is one of the processes involved in the formation of sedimentary rock. Which of these best describes the process of erosion? 

• Rocks are broken into smaller pieces that remain in the same location.  
• Pressure compacts layers of sediment and turns them into rock.  
• Pieces of rock or soil are carried from one place to another.  
• Sediment grains fall to the bottom of a lake to form sedimentary layers.  

The breakdown of rock into smaller particles from the effects of wind, water and ice

• erosion
• cementation 
• pressure
• weathering

Sediment that is left behind in rivers lakes and oceans

• weathering
• erosion
• cementation
• deposition

Preserved parts or traces of animals and plants that lived in the past

• natural gas
• imprints
• photos
• fossils

What is the youngest layer in the outcrop?

• A
• B
• C
• D

What is the oldest layer in the outcrop?

• B
• C
• D
• E

An archaeologist made the following diagram of a dig site. What can be said about the pottery as compared to the skull found in the site?

• The rock layer with the pottery is more recent than the rock layer with the skull.
• The rock layer with the skull is more recent than the rock layer with the pottery.
• The rock layer with the skull is approximately the same age as the rock layer with the pottery.
• The rock layer with the skull has an absolute date of 17,000 years.

Which statement is true about the fossil record?

• It is a record of all living things
• It shows how our climate has remained the same over time
• It provides evidence for history of life on Earth
• It does not support the theory of evolution