Crust
This physical layer that lies within the crust.
Lithosphere
The top physical layer that moves slowly.
Asthenosphere
The physical layers of the core are?
The Outer a Inner Core
Geologists use what law to determine the relative age of sedimentary rock?
The Law of Superposition
All science investigation begins with?
A Question
The Lithosphere is described as being what type of rock?
Rigid and Brittle
The lower physical layer that moves even slower.
Mesosphere
The core is composed of?
Nickel and Iron
What type of rock is Basalt and Granite?
Igneous
The unchanged variable within an experiment. It remains constant.
The controlled variable
Basalt is to Oceanic as ____________ is to ________
Granite is to Continental
The mantle is composed of
Magnesium and Iron
In what physical layer is the magnetic field?
Outer Core
The slow change of Earth's land and land masses over time are due to?
Weather and Erosion
Using observations and background knowledge leads to?
Inferences
The crust is composed of what elements?
Oxygen and Silicon
During convection the cooler rock is __________ and sinks down to the mantle, while the hotter rock in the mantle becomes____ ______ and rises up to the crust.
denser, less dense
What keeps the Inner Core solid?
The outer core's magnetic field and intense heat and pressure
The change from a _________ isotope to a ________ isotope happens when there is an unstable Carbon changing to a stable Nitrogen.
Parent, daughter
The _____________ variable is changed within an experiment and leads to your ____________ variable.
Independent and Dependent
Giant slabs of rock that shift and push up and under each other and are found in the Lithosphere
Tectonic Plates
What happens as a result of convection currents?
Brings heat energy to crust and creates new crust
The core is more ________ then the other layers.
Dense
The process of changing from an unstable Carbon to a stable Nitrogen is called?
Radioactive Decay
Sue wants to test to see if a toy car will roll at different rates on 3 different surfaces. What would her dependent variable likely be?
The time it takes the car to travel to the end point