Geological Phenomena Crossword Puzzle

QUESTIONS LIST:

• orogenesis : when mountains are formed by a tectonic plate convergence.
• convection : this force, in the earth's mantle, causes the tectonic plates to move.
• convergence : movement where two plates move toward each other.
• weathering : this step in erosion includes wind, water, the freeze-thaw cycle, and glacier movement.
• erosion : when water freezes and thaws, leaving holes, this is an example of _ .
• drift : the theory that earth's continents are moving: continental _
• convergence : orogenesis is related to why type of plate movement?
• fossils : the same _ were found in south america and africa; suggesting that the two continents were once joined together.
• chamber : where magma is stored in a volcano.
• divergence : in a _ zone, a volcano may form because it allows magma to rise up from the mantle and pour out slowly.
• slip : movement where two plates slide against each other.
• runoff : rain water returns to the earth's oceans and rivers.
• acid rain : pollution in the atmosphere may decrease the ph of rain water causing _ .
• sedimentation : when broken pieces of rock settle at the bottom of the ocean.
• age : the appalachian mountains and the mauritanians mountains are the same _ , suggesting that they were once part of the same mountain chain.
• volcano : when an oceanic plate sinks under a continental plate it forms a _ .
• trench : when two oceanic plates converge, a volcano is rarely formed. instead an oceanic _ is formed.
• erosion : a mountain with a pointed peak is young compared to mountains with rounded peaks. the rounded peaks are created by millions of more years of _ .