Science Exam 3.0 Flashcards
Adhesión
If two different particles or surfaces are near there is an attraction force that makes the two of them cling together this force is called adhesion
Cohesion
Is the force that causes surface tension which also gives water drops their particular shape
Examples
Adhesion tape Velcro
Cohesion glass and water wax and oil
Capillarity
A paper towel that absorbs liquids because it allows water to fill the spaces it has this is called capillarity the liquid climbs the wall of the capillarity tube because of adhesion
Example cap
Sponge paper towel
Osmosis
Osmosis refers to the property of liquid and gas molecules to move behind a permeable membrane without any input of energy
Ex osmosis
Fingers and toes wrinkle
Diffusion
The process by which molecules spread from areas of high concentration to areas of low concentration is called diffusion
Example diffusion
Febreeze graffiti
Theory’s of the world
Continental drift
Tectonic plates
Continental drift
Alfred Wegener created this theory that explains that the continents were once together in a huge landmass called Pangaea
Evidence of TCDT
Landforms
Fossils
Climate
Landforms
Shapes of the continent fit together mountain rages line up
Fossils
Fossils matches from one place and another both plants and animals used
Climate
The fossils in the area didn’t match with the climate
Structure of the earth and tectonic plates theory
Lol
The earth layers
Core: inner core and outer core solid and molten iron
Mantle: magma
Crust: minerals
Crust is made of
Continental crust and oceanic crust
Tectonic plates
The earth is divided into two major plates they collide ( convergent) pull apart (divergent) or scrape against each other (transform)
Tectonic
Changes in the crust because of plate interaction
World plates
Eurasian North American Juan de fuca Philippine cocos Australian pacific Caribbean nazca South American scotia Antarctic Arabian African Indian
Plates made Of
Rigid lithosphere crust and upper mantle
Plate boundary
Divergent convergent transform
Divergent
Spreading ridges as plates move apart magma fills up the gap
Convergent
Continent continent collision mountains
Continent oceanic crust collision subduction: volcanoes
Ocean ocean subduction zone one runs over the other causing it to sink the subducting plate forms a deep depression in the ocean called a trench Mariana Trench 11km
Transform
Plates slide past each other San Andreas fault
Volcanoes are formed by
Subduction rifting hotspots
Hotspots
Hot mantle plums breeding the surface in the middle of a plate
Earthquake
Not randomly distributed at the boundaries between plates friction causes them to stick together when built up energy causes them to break earthquake ocurrs
Geological time
Precambrian Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Paleogene Paleocene Eocene Oligocene neogene quarternary
Molecular movement
Adhesion and cohesion capillarity osmosis diffusion
