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Worksheets化石Fossils
Total questions: 35
Worksheet time: 31mins
If a scientist found a fish fossil in the desert, what can they infer?
An animal ate the fish.
The water covered the area long ago.
Today's fish looks the same
The fish is endangered.
What statement is true about fossils?
All living organisms leave behind fossils.
Fossils show that camels never change.
Some living things have not really changed in millions of years.
Plant fossils have never changed.
What replaces the wood of a once-living thing to form petrified wood?
amber
cast
mold
minerals
Turtles look much like they did millions of years ago. What can we infer about turtle fossils?
They did not change over time.
The turtle survived the ice age.
Turtles went extinct.
Turtles were never endangered.
What can we infer about animals with dull teeth?
They ate other animals.
They ate only plants.
They ate nothing.
They only ate fish.
Which is NOT a reason scientists study fossils?
They tell us how long a species existed on Earth.
To learn how organisms are related to each other.
How organisms communicated with each other.
Fossils tell scientists the types of environments that organisms lived in.
Which is NOT a way an organism could become a fossil?
It can be frozen in ice.
It can be quickly buried in sediment after death.
It can be trapped in the resin of a tree.
It can be left out in the sun to decompose.
An organism should be buried quickly after it dies if it has a chance of becoming a fossil
True
False
Which is NOT a step in the process an organism goes through to become a fossil?
Layers of sediment build up on the buried body.
A organism dies and is buried quickly.
Minerals fill the spaces of the decaying bone.
An organism becomes extinct.
Which statement is true?
Layer C is the oldest
Layer B is older than Layer A
Layer B is older than Layer C
Layer A is the youngest
Which type of rock can contain fossils?
Metamorphic
Stereosonic
Sedimentary
Igneous
What conclusions could you make about the environment where this fossil formed?
It was under water.
It might have been a grassland.
It was snowy and cold.
It was a desert.
What is a good rule to follow when determining the age of rock layers?
The oldest is always on the top.
The rock layers get older as you dig deeper.
The layers position does not necessarily tell you about the age.
The youngest is always on the bottom.
The illustration shows a fossil of a dinosaur skull. Which of the following best describes why this fossil is not made of bone but rock?
The dinosaur ate many plants that contained minerals.
The dinosaur died when a rock fell on it and crushed it.
The dinosaur skull changed from bone to rock in the ground.
The dinosaur died in the ocean and sank to the bottom.
