Question | Answer |
How are igneous rocks formed? | cooling of magma or lava |
How are sedimentary rocks formed? | weathering compaction and cementation of sediments |
How are metamorphic rocks formed? | extreme heat and pressure |
Properties of igneous intrusive rocks? | cool inside earth slowly large crystals |
Properties of igneous extrusive rocks? | cools outside earth fast small grain or holes |
Examples of mechanical weathering? | ice wedging abrasion root pry |
Examples of chemical weathering? | Oxidation dissolution caves caverns can be a result |
What is cross cutting relationship? | geologic feature is younger than existing rock layer |
What causes weather to circulate around the world? | global wind patterns |
what causes local wind systems to occur? | specific heat of land and water |
Direction objects deflected in northern hemisphere? | clockwise |
Direction objects deflected in southern hemisphere? | counter clockwise |
High pressure system? | cloudless clear skies clockwise |
Low pressure system? | storms bad counter clockwise |
Air mass | bodies of air that have properties similar to portion of Earth over where they form |
How do low pressure and high pressure systems affect wind? | closer together causes more wind |
How do continental plates move? | convection currents and density |
Divergent boundaries | plates move away from each other mid atlantic ocean |
Convergent boundaires | volcanoes mountains trenches formed |
Transform boundaries | earthquakes |
What type of plate movement causes earthquakes? | transform |
What helps create a tornado? | warm most war dry and cool dry air |
Which layer is the most dense? | inner core |
Which is the ozone layer? | stratosphere |
What occurs in the troposphere? | weather |