click below
click below
Normal Size Small Size show me how
Stack #21899
Science Vocab-Chapter 1-Scetion1&2
| 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. |