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WorksheetsRocks, Fossils, & Ages
Total questions: 20
Worksheet time: 21mins
How are sedimentary rocks formed?
cooling and hardening of lava
applied heat and pressure
compacting and cementing of sediments
melting of rock
How are fossils created?
Traces of organisms get turned into stone.
Dead organisms are buried quickly and remsin undisturbed for millions of years.
Animals get trapped in resin, tar, or ice.
All of the above
According to the Law of Superposition, which layer formed first?
Rock Layer W
Rock Layer X
Rock Layer Y
Rock Layer Z
People who study fossils are called ____.
meteorologists
histologists
paleontologists
beautificans
Which of the following is NOT an example of a fossil?
a petrified dinosaur bone
an ancient footprint captured in mud
a seashell found on the beach
an ancient mosquito stuck in hardened resin
What happens when a species become extinct?
All of its members have died.
Only a few of its members are still living.
The animals can no longer lay eggs.
All of its members move to another place.
What are the preserved remains or traces of once living organisms from the past called?
amber
fossils
species
extinct
Scientist are comparing a rock layers to layers around it to determine the age of the rock. Which kind of rock age are they calculating with this technique?
relative age
absolute age
What do scientists call a living species that can no longer can be found on our planet?
mutation
Amber Alert
amber
extinct
Which type of fossil is pictured?
Mold
Cast
Trace
Body
A fossil animal has a mouth full of sharp, pointed teeth, what can you infer about the animal?
The animal ate fruits and vegetables.
The organism is a plant.
The animal did not live on land.
The animal ate meat.
What replaces the organic molecules to form a petrified fossil?
amber
cells
fungi
minerals
Which type of fossil can tell you about the BEHAVIOR of ancient organisms? (ex. how they hunted, what kind of home they created, etc.)
mold
cast
trace fossil
preserved remains
Which statement is NOT true about index fossils?
Index fossils are of organisms that lived over a wide area.
Index fossils lived for a fairly short period of time.
An index fossil allows a scientist to determine the age of the rock it is in.
An index fossil is from a species that currently lives on planet Earth.
