WorksheetsRock Dating
Total questions: 19
Worksheet time: 10mins
Which of the following might show evidence of a year with low rainfall?
Tree Rings
Index Fossils
Original Remains
Sedimentary Rock
In which time span did dinosaurs live?
Cenozoic era
Paleozoic era
Mesozoic era
Precambrian era
Half-life is a measurement of
fossil age
radioactive breakdown
cold climates
relative age
What is the age of the earth?
570 million years
1.1 billion years
4.6 billion years
9.5 billion years
What was the earliest form of life?
a fish
a fern
a one-celled organism
a reptile
Which statement best describes the theory of uniformitarianism?
Earth continues to change as it always has.
Earth is changing, but not as quickly as it used to.
Earth is changing, but faster than it used to.
Earth is no longer changing.
How does petrified wood form?
A log falls into water that freezes.
Sedimentary rock forms over a log.
Igneous rock covers a log and heats it.
Water seeps through a log, replacing its cells with minerals.
A cast fossil is formed from:
igneous rock
a mold
amber
wood
Which of these substances best preserves soft parts of an organism?
sedimentary rock
igneous rock
amber
air
Which type of fossil would be most likely to show the complete outline of a leaf?
petrified wood
cast fossil
carbon film
trace fossil
What is the approximate age of the oldest ammonite fossil sown in the diagram?
65 million years
248 million years
480 million years
540 million years
When did trilobites live on Earth?
within the last 65 million years ago
between 65 million years and 248 million years ago
between 248 million years and 544 million years ago
more than 544 million years ago
Which fossils are most common in the rock that is 500 million years old?
brachiopods
trilobites
ammonites
theropods
What is the best estimate of the age of rock I?
less than 300 million years old
300 million years old
more than 300 million years old
more than 544 million years old
Which point shows where a fossil that is 500 million years old would most likely be found?
E
F
G
H
What is the theory stating that processes shaping Earth today, such as erosion and deposition, also shaped earth in the past, and that these processes cause large changes over geologic time? And that these forces are still at work today.
Law of Superposition
Uniformitarianism
Fossils
Erosion
The actual age of an event or object is
An approximation
Relative age
Absolute age
A guess
For extra credit: Who is my favorite science youtuber?
Asap Science
Hank Green
Khan Academy
James Charles
Extra Credit: Why are no fossils found in igneous rocks?
