Topic 1 Lesson 1
What is a system
a group of parts that work together as a whole
What is topography
the shape of the land determined by elevation, relief, and landforms
What is the water cycle?
the continuous process by which water among earths atmosphere, oceans, and land surface through evaporation, condensation, and precipitation.
What is the meaning of stable
fixed, unlikely to change
What is crust
the layer of rock that forms earths surface
What is the atmosphere
the reletivly thin envelope of gases that forms earth's outermost layer
What is a landform
A feature on the surface of earth, such as a coastline, dune, or mountain
What is Evaporation?
Evaporation is the process by which molecules at the surface of a liquid absorbs enough energy to change to a gas.
what is wind
the horisantle movment of air from an area of high pressure to a area of lower pressure
What is mantle
the layer of hot solid material between earths crust and core
What is the geosphere
the solid metal inner core, the liquid metal outer core, and the rocky mantle and crust
what is a dune
a hill of sand pilled up by the wind
what is condensation
the state of change form a gas into a liquid
what is altitude
evelation above sea level
what is evidence
information or data that is used to support a conclusion
what is energy
the ability to work
What is a river
a nautral stream of water that flows into another body of water, such as a lake, ocean, or another river
what is a aquifer
an underground layer of rock and sediment that holds water
what is air pressure
the pressure caused by the weight of a column of air pushing down on a area
what are elements
substances that contain one kind of atom and cannot be broken down simpiler form
what is the cryosphere
the frozen componet of the hydrosphere, it is made of ice, snow, sea, and lake ice
what is a model
a exact copy of somthing on a smaller scale
what is a process
a series of changes that happen over time and lead to a unexpected result
what is the outer core
a layer of molten iron and nickel the surronds the inner core
what is a seismic wave
vibrations that travel through earth caring the energy released during a earthquake