History of the Earth

Front

What is the term for the concept where the bottom layer is the oldest and the top layer is the youngest?

Back

the law of superposition

Front

T/F? The climates change over time.

Back

True

Front

What is this a picture of? Options: petrified bug, bug trapped in tar sap, bug trapped in hardened tree sap, bug trapped in sediment

Back

bug trapped in hardened tree sap

Front

Which of these choices describes two kinds of trace fossils?  Options: molds and casts, shells and bones, bee and beetle in amber, petrified and mummified fossils 

Back

molds and casts

Front

The Law of Superposition helps scientists to determine what?

Back

The relative age of sedimentary rock layers

Front

How old do Paleontologists believe the Earth is?

Back

4.6 billion years old

Front

According to the law of superposition, the oldest fossils are found

Back

Near the bottom of the rock layers

Front

Which rock layer in the diagram seems to be the oldest?

Back

A

Front

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this? Options: Sedimentary, Igneous, Metamorphic

Back

Sedimentary

Front

According to the law of superposition, which layer is the youngest?

Back

A