Question | Answer |
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. |