WorksheetsFossils in Rock Layers
Total questions: 26
Worksheet time: 18mins
What is a fossil?
An animal that has died
The remains or imprint of an animal or plant life that has been preserved
A plant that was eaten by an animal
Which rock layer is probably the oldest?
A
B
C
Which rock layer is probably the youngest?
A
B
C
A fish fossil was found in layer A. What does this tell us about the possible history of this area?
Fish used to live on land there
This area has always been land
That area used to be underwater
Layer A is currently covered in water
What do fossils tell us?
The Earth's history
The Earth's future
The Earth's current period
True or False: ALL dead plants/animals become fossils.
True
False
Describes a group of living things that are no longer living.
fossil
extinct
endangered
dinosaur
The hardened remains of a living thing that died long ago.
fossil
extinct
endangered
minerals
Several layers of rock are illustrated in their unchanged positions. Which of the following conclusions is supported by the data in this illustration?
Rock layer W is the oldest of all the rock layers shown.
Rock layer X was formed just before rock layer Y.
Rock layer Y is twice as old as rock layer W.
Rock layer Z is the oldest of all the rock layers shown.
Which type of animal's fossil would indicate that the area was once an ocean?
A
B
C
D
The picture shows some fossils of shellfish that were found in a rock layer on a mountainside.
What is the most likely reason they were found in the rock layer?
Shellfish lived on dry land long ago.
Fossils last longer when they form a mountain.
People left the shells on the mountainside.
The rock layer was once part of the sea floor.
What evidence would prove that this place was once underwater?
early birds
shark tooth
dinosaur tooth
early horses
Which layer of sedimentary rock is the youngest (newest)?
1
2
3
4
Which fossil is the oldest?
A
B
C
D
Which fossil is the youngest?
A
B
C
D
Based on the image, what type of environment did this animal live in?
Desert
Forest
Ocean
Grassland
The diagram above shows layers of sedimentary rock in the Earth’s crust. In which layer of rock should a scientist expect to find the oldest fossils?
Layer M
Layer N
Layer O
Layer P
This picture shows layers of the earth and the fossils found in each. The youngest fossils would be found in-
top layers of rock
the middle rock layers
the bottom layers of rock
every layer
The diagrams represent the rock layers and fossils found in 4 different samples pulled from the earth.
Which fossil appears to be the youngest?
This diagrams shows layers of sedimentary rock and the fossils found in each. Which fossil was formed most recently?
The image shows four fossils buried in sedimentary rock layers. Which fossil is the oldest?
