Minerals Rocks
magma
When oceanic and continental plates collide, what is the result?
subduction happens (oceanic plates slide under continental plates because they are less dense) then magma is created in the subduction zone near the sinking plate. When magma rises to the surface you have volcanoes.
ice wedging, plant and animal action, abrasion, release of pressure, or thermal stress.
most of the gases in the atmosphere are____ and _______.
nitrogen and oxygen
What do we experience when a cloud touches the ground.
fog.
Minerals have __________Structures.
crystal
Rocks further from the ocean ride are older or younger?
older
Two examples of chemical weathering.
natural acids, plant acids, oxidation
decrease.
What type of cloud is fog?
stratus
What properties are used to characterize minerals?
color
streak
fracture
hardness
specific gravity
luster
What was the landmass that included all of the continents?
pangea
What is humus?
organic matter from decayed animals and plants
what is the stratosphere?
Which clouds look like cotton candy and are usually located mid level elevation?
cumulus clouds
Cooling magma forms________rocks.
igneous
What are ocean waves that are caused by earthquakes?
tsunamis
the shape of land an its terrain features.
Most weather is in the ___________.
troposphere.
What is the greenhouse effect?
Warming of the atmosphere by gases that trap heat.
metamorphic rock is formed by______and_____.
squeezing, heat
The magnitude of earthquakes is measured on the _________scale.
richter
How does a floodplain form?
nearby rivers flood and deposit sediment.
The air pressure___________as you get closer to the earth's surface.
increases.
What is El Nino?
When the trade winds soften, the water does not move much and the cooler water does not surface. It causes flooding in some places and droughts in others.