What is it called when the organic matter that makes up a deposited organism decomposes and leaves a cavity?
cast
trace
petrified
mold
3. Multiple Choice
1 minute
1 pt
What is it called when water that contains a lot of minerals enters the pores of an object. Over time, the water evaporates leaving behind mineral crystals in the shape of the object.
A petrified fossil
A cast fossil
A mold fossil
A trace fossil
4. Multiple Choice
1 minute
1 pt
What is a trail, track or burrow left behind by an animal that later fossilized?
A trace fossil
A carbon film
A petrified fossil
An extrusion
5. Multiple Choice
20 seconds
1 pt
What is a fossil that is useful for dating and correlating the strata in which it is found?
a petrified fossil
a trace fossil
a cast fossil
an index fossil
6. Multiple Choice
1 minute
1 pt
What is the Law of Superposition?
The oldest rocks are at the top of the sequence and the youngest are at the bottom
The rocks at the bottom of the sequence must be super strong to support those above
The youngest rocks are at the top of the sequence and the oldest are at the bottom
The forcing of molten rock into an earlier formation
7. Multiple Choice
1 minute
1 pt
What things can fossils reveal about Earth?
How life has changed over time
All of these answers
How Earth's climate has changed over time
How Earth's features have changed over time
8. Multiple Choice
1 minute
1 pt
What is relative age?
The geologic age of a fossil, rock or geologic feature defined relative to other fossils, rocks or features
The geologic age of a fossil based on when the relatives of that fossil died
The geologic age of a fossil, or geologic event expressed in units of time
How old your mom is
9. Multiple Choice
1 minute
1 pt
What is a rock mass formed by molten rock being forced into an earlier formation of rock layers?
Extrusion
Intrusion
Fault
Supposition
10. Multiple Choice
1 minute
1 pt
This palm tree fossil was found in Alaska. What can you conclude?