Question | Answer |
what is the lithosphere? | all the land in the earths system |
which sphere includes all the planets living things? | biosphere |
define atmosphere | it contains all the air in the earth's system |
what is the hydrosphere? | it contains all the solid, liquid and gaseous water of the planet. |
what are "plates"? | they are pieces of the crust |
what are the plate types? | continental and oceanic |
which type of plate is thicker | continental |
what is a pangea | it is the name of a supercontinent formed 100-200 million years ago |
what is plate tectonics | it is a theory of the movement of continents |
which type of plate boundary involves two plates moving towards one another? | convergent |
what is a divergent boundary | it involves 2 plates moving apart |
which boundary involves two plates sliding along side one another | transform boundary |
what will form when two continental plates converge? | fold mountains |
when 2 oceanic plates converge what forms? | magma will rise to form volcanoes |
what does the build up of pressure due to transform boundary result in? | earthquakes |
what is the point where an earthquake starts called? | focus |
what is the strength of an earthquake known as? | magnitude |
what scale indicates the earthqaukes strength? | Richter scale |
what are the layers of the earth? | crust , mantle, and core |
what causes the plates to move? | convection currents in the mantle |
what can be found directly under the plates of the earth's crust | a soft mantle |