Rocks
There are three types of rocks.
What is sedimentary,metamorphic, and igneous?
Compares the ages of the layers of the rocks.
What is relative dating?
Fossils can describe a....
What is a geologic timeline.
Weathering, Erosin, and Deposition
What is slow changes?
There were four major events in the time periods.
What are The Coal Age, Early Age in Dinosaurs, Late Age in Dinosaurs, and Modern Time.
Some rocks are made up of magma and lava.
What is an igneous rock?
The layers of the rocks from youngest at the top to oldest at the bottom.
What is the law of superposition?
An fossil found in specific layers all around the world
What is an index fossil?
Volcanic Eruptions, earthquakes, and Landslides
What are fast changes?
When there are plate tectonic that move and magma comes between them.
What is seafloor spreading?
One type of rocks is made up from sand, silt, dead plants and animals.
What are sedimentary rocks?
Layers of the Earth are made horizontally because of the gravity of the earth.
What is the law of orginal Horziantly
Fossils of organisms are no longer alive today.
What is because they have decayed and we can date back to when they were alive.
Sand dunes form when wind-blown sand builds up in one place.
What is a fast change?
Mountains/Mid ocean rideges.
What is found at divergent pate boundaries
What type of rocks froms inside the Earth's crust?
Where are intrusive rocks?
An igneous intrusion of the rock is always younger that the rock it crosses.
What is Law of Cross-Cutting relationships?
Continental drift caused a new location for fossils to appear.
What is diversion?
Why would a tsunami be a fast change?
What is because of the water coming to the shore at a very fast speed?
Divergent boundaries are forming lava that is coming up.
What is were the youngest rocks are located?
What type of rocks form on the earths surface?
What is extrusive rocks?
When a part of the rocks layer is missing.
What is unconformity?
Organisms have to decay to make fossil fuels.
What is dead plants and animals?
Changes to the earth.
What is wind, water and ice?
The middle of the ocean where magma has already settled.
What is where the oldest rocks are located?