Rock Cycle
What is Sedimentary Rock?
The unit of time that is the longest on the Geologic Time Scale.
What is an Eon?
A dinosaur footprint is an example of this type of fossil.
What is a trace fossil?
Why is rapid burial (being covered quickly by sediment) important for fossil formation?
Its helps the organism survive fossilization.
The process involving the breaking down of rock into sediment.
What is Weathering and Erosion?
The Mesozoic Era is often called the "Age of Reptiles" because it was dominated by:
What are dinosours?
The name for the scientists who study fossils.
What is a Paleontologist?
What is the Mesozoic Era most famously known for?
Rock that cools very quickly on the Earth's surface from lava.
What is extrusive igneous rock?
The major event in Earth's History where a large number of species die out quickly.
The concept that states that fossils provide evidence that life on Earth has changed over time.
What is evolution?
The Law of Superposition is a key principle in determining the relative age of rocks. If you look at an undisturbed cliff of sedimentary rock layers, where would you typically find the oldest rock layers?
The bottom Layer
The only stage in the rock cycle where a solid rock breaks down into a liquid state
We live in the Cenozoic Era. It is often known as the .......
What is the Age of Mammals?
The material that replaces the original material of a petrified wood.
What is minerals?
The Geologic Time Scale is broken into large divisions called Eras. What is the order of the four main Eras, from the oldest to the most recent (the one we are in now)?
Precambrian Paleozoic Mesozoic Cenozoic
Granite (an intrusive igneous rock) is found exposed on the surface. Before this granite can become a component of sandstone (a sedimentary rock), it must first undergo:
What is weathering and erosion?
The Paleozoic Era ended about 252 million years ago with the largest extinction event in Earth's history, often called the "Great Dying." This event would be found on the boundary between:
What is the Paleozoic Era and the Mesozoic Era?
Sometimes an organism's shell dissolves, leaving a hollow space in the rock. This space is called a mold. that space is later filled with minerals, this fossil is called?
Which geologic era covers the formation of Earth and the first appearance of single-celled organisms, representing the longest span of time?
Precambrian time