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Stack #21899

Science Vocab-Chapter 1-Scetion1&2

the transfer of energy through space. radiation
heat transfer within a material or between materials that are touching. conduction
heat transfer by the movement of currents within a fluid. convection
a measure of how much mass there is in a volume of a substance. density
the flow that transfers heat within a fluid. convection current
the hypothesis that the continents slowly move across Earth’s surface continental drift
drifted continents that formed on big continent Pangaea
a trace of an ancient organism that has been preserved in rock. fossil
the transfer of energy through space. radiation
the hypothesis that the continents slowly move across Earth’s surface continental drift
Geologists have used two main types of evidence to learn about Earth’s interior...what are they?? direct evidence from rock samples and indirect evidence from seismic waves.
The three main layers of Earth are... the crust, the mantle, and the core.
The crust is a layer of solid rock that includes... both dry land and the ocean floor.
Earth’s mantle is made up of... rock that is very hot, but solid.
What is the core mostly made up of? The core is made mostly of the metals iron and nickel.
There are three types of heat transfe; what are they? radiation, conduction, and convection.
Heat from the core and the mantle itself causes... convection currents in the mantle.
the core consists of two parts what are they and what is it like inside? a liquid outer core and a solid inner core.
Scientists divide the mantle into layers based on... physical characteristics
What do the 3 main layers vary in? size, composition, temperature, and pressure.
Created by: kckellyman101