Question | Answer |
anticline | upward fold |
syncline | DOWNWARD FOLD |
facture | break in a rock |
fault | break's in earth's crust along which movement occurs. |
landform | physical feature on Earth's solid surface |
elevation | height of a point on earth above or below sea level |
summit | highest point mountaintop |
folded moutain | mountain formed by the folding of rock layers |
dome mountain | mountain formed when upfold in a rocks create a rounded structure that looks like a bowl turned upside doen |
fault block mountain | mountain formed when normal fault uplift a block of a rock |
plain | large, flat are just above sea level |
plateau | large, flat area at a high elevation |
volcanism | movement of magma inside Earth |
lava | magma that reaches Earth's surface |
vent | volcano opening from which lava flows |
volcano | vent and the volcanic material around it |
crater | pit at the top of a volcanic cone |
caldera | large hole that forms when the roof of a magma dome collapses |
shield cone | volcanic cone made up of layers pf hardened lava |
cinder cone | volcanic cone made up of rock particles ,dust,and ash |
composite cone | volcanic cone made up of alternating layers of lava an rock particles |
earthquake | sudden,strong movement of Earth's crust |
focus | point beneath Earth's surface where an earthquake starts |
epicenter | place on Earth's surface directly above the focus |
seismic wave | earthquake wave |
seismograph | instrument that detects and measures earthquakes |
p waves | fastest earthquake wave |
s wave | second earth wave to be recorded at a seismograph station |
l wave | surface wave |
Richter scale | scale that measures the energy released by an earthquake |
tsunami | large ocean wave caused by an earthqauke |
ring of fire | major earthquake and volcanic zone that almost forms a circle around the pacific ocean |