WorksheetsRock Cycle
Total questions: 35
Worksheet time: 28mins
______________ is the breaking down of rock material by physical and chemical processes.
Weathering
Erosion
Deposition
Sedimentary Exchange
______________ occurs when water seeps into the cracks of rocks and expands when it freezes.
Icing
Wedging
Expansion
Ice Wedging
_____________ weathering is the breaking down of rocks by chemical reactions.
Chemical
Physical
Deposition
Erosion
Which one of the examples below is physical weathering?
lichens growing on rock
acid rain wearing away limestone
oxidation (rusting) of a flag pole
frost wedging splitting a rock apart
Which of these terms describes the process of acid rain wearing out limestone?
deposition
chemical weathering
physical weathering
erosion
Which of these is an example of erosion?
light shining onto a mountain
wind blowing away sediment
rain breaking down rock
all options are correct
This is an example of _____________________________.
physical weathering
chemical weathering
In the pictures below, choose a picture that shows chemical weathering of rock.
Label the oldest and youngest layers of the Earth!
According to the picture, what is the correct order for the relative age of the fossils from OLDEST to YOUNGEST?
E, D, C, B, A
B, C, D, E, A
A, B, C, D, E
A, E, D, C, B
The youngest fossils in the rock strate are?
Ammonite and gastropods
Fern
trilobites
The oldest fossils in the rock strate are?
Ammonite and gastropods
Fern
trilobites
What do scientists believed happened at the Chicxulub Crater?
a flood
a hurricane
a tornado
an asteroid hit that area
What is a fossil?
An unknown species discovered by scientists
The trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock
Any organism that has died
Cave sketchings of extinct animals
The Extinction of Dinosaurs
Dinosaurs, the magnificent creatures that once roamed the Earth, met a tragic end millions of years ago. Scientists believe that a catastrophic event, such as an asteroid impact or volcanic eruptions, led to their extinction.
Many different theories exist about the exact cause of the dinosaur extinction. Some suggest that a massive asteroid hitting the Earth caused a chain reaction of events that led to the demise of these ancient creatures.
Despite their extinction, dinosaurs continue to capture the imagination of people around the world. Through fossils and scientific research, we are able to learn more about these fascinating creatures and the world they inhabited.
While the extinction of dinosaurs remains a mystery in many ways, it serves as a reminder of the fragility of life on Earth. It also highlights the importance of understanding our planet's history and the impact of natural disasters on the environment.
What do scientists believe led to the extinction of dinosaurs?
Asteroid impact
Climate change
Human intervention
Alien invasion
What is one of the theories about the exact cause of the dinosaur extinction?
Volcanic eruptions
Climate change
Massive asteroid impact
Alien invasion
List the era's from youngest to oldest of our geological time scale
Cenozoic
Mesozoic
Paleozoic
Proterozoic
Archean
