Layers of Earth
What is the innermost layer of the Earth called?
What is the Core?
What is the process called when sedimentary rock is formed?
What is lithification?
What is the point beneath the Earth's surface where the earthquake originates?
What is the focus of an earthquake?
What is the process where organic remains turn to stone?
What is petrification?
What defines an ice age?
What is a period when ice sheets cover large parts of the Earth?
Which layer of the Earth makes up about 80% of its volume?
What is the Mantle?
What type of plate boundary occurs when two plates slide past each other?
What is a Transform boundary?
What are waves that travel through the Earth as a result of an earthquake or explosion?
What are seismic waves?
What type of fossil is created when an organism leaves an impression in sediment?
What is a mold fossil?
What is the significance of tree ring analysis in studying climate change?
What provides a continuous record of climate changes over time?
What are convection currents in the mantle responsible for?
What causes the movement of crustal plates?
What evidence do geologists use to support the theory of plate tectonics?
What are mountains, earthquakes, and volcanic activity?
What is the difference between P-waves and S-waves?
P-waves can travel through solids and liquids while S-waves can only travel through solids.
How can paleontologists determine the environment of ancient life?
What is by studying the properties of sediments and fossils in strata?
What are periods when continental ice sheets expand?
What are glaciations?
How thick is the lithosphere?
What is approximately 75 km?
What states that in an undisturbed sequence of rocks, the oldest layers are at the bottom?
What is the Law of Superposition?
What is the process where one tectonic plate moves under another plate?
What is subduction?
What is the Cambrian Explosion?
What refers to the rapid diversification of life forms during the Cambrian period?
What refers to the recent increase in Earth's average surface temperature?
What is global warming?
What is the asthenosphere and its significance in plate tectonics?
What is the uppermost layer of the mantle that behaves plastically and allows for the movement of tectonic plates?
What is the significance of index fossils in relative dating?
What helps to determine the age of rock layers based on the known time span of particular fossils?
What measures the magnitude of an earthquake based on ground movement?
What is the Richter scale?
What type of fossil is formed from the carbonization of an organism?
What is a carbon film fossil?
How do ocean currents play a role in climate?
What helps to transport heat around the planet, affecting regional climates?