click below
click below
Normal Size Small Size show me how
7thGrInsideCh1Sec1&2
7th Grade Inside Earth Chapter 1 Section 1 & 2
| Question | Answer |
|---|---|
| seismic waves | waves caused by earthquakes |
| pressure | a force pressing on an area |
| basalt | dark rock with a fine texture |
| granite | rock usually light in color with a coarse texture |
| mantle | a layer of hot rock |
| lithosphere | uppermost part of the mantle and the crust together form a rigid layer |
| asthenosphere | a soft layer of the mantle |
| outer core | layer of molten metal that surrounds the inner core |
| inner core | a dense ball of solid metal |
| conduction | heat transfer within a material or between materials that are touching |
| convection | heat transfer by the movement of currents within a fluid |
| density | a measure of how much mass there is in a volume of a substance |