Fossil Record

If scientists found this fossil, what could they infer?

• what fish are like today
• that this fish lacked oxygen
• what kind of animal ate this fish
• that water once covered the area

Where can the oldest layer be found?

• The top layer
• The middle layer
• They are all the same age
• The bottom layer

How are fossils created?

• Traces of organisms get turned into stone.
• Dead organisms are quickly buried for millions of years.
• Animals get trapped.
• All of the above

In what kind of rock can fossils be found?

• Sedimentary Rocks
• Igneous Rocks
• Metamorphic Rocks
• Granite

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

Fossils give us evidence about which of the following?

• plants and animals that lived long ago
• how weathering and erosion break down rocks
• the other planets in our solar system
• the transfer of energy from one form  to another

Finding the fossils of trees in an area that is currently a desert without much life might tell us that the area, millions of years ago - 

• was heavily eroded by strong winds
• received enough rain to support a forest
• suffered very powerful earthquakes
• was destroyed by the impact of meteorites

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-2

What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct
• When multiple species from all over the earth suddenly go extinct 
• When one species goes extinct due to habitat changes
• When all life on earth is wiped out 

Which layer formed first?

• Rock Layer W
• Rock Layer X
• Rock Layer Y
• Rock Layer Z

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

• A
• B
• C

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

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface