Rock Basics
The three main types of rocks
What are igneous, sedimentary, and metamorphic?
The type of landform Enchanted Rock is
What is a dome (or granite dome)?
The river that runs through Austin
What is the Colorado River?
The spinning wind storm common in Texas
What is a tornado?
The process where plants turn into coal over millions of years
What is fossilization (or coal formation is fine)
The rock type most common in Texas landscapes
What is sedimentary?
The region of Texas known for rolling hills and limestone
What is the Hill Country?
The famous swimming spot fed by groundwater in Austin
What is Barton Springs?
The sudden ground shaking caused by fault movement
What is an earthquake?
The type of fossil formed when an organism leaves an impression in rock
What is a mold fossil?
The rock formed from cooled lava
What is igneous?
The large canyon in northwestern Texas
What is Palo Duro Canyon?
The type of water source that feeds Barton Springs
What is groundwater?
The rapid downhill movement of rock or soil
What is a landslide?
The sticky substance from trees that can trap insects and later fossilize
What is amber?
The rock changed by heat and pressure
What is metamorphic?
The type of rock common in Austin that forms caves
What is limestone?
The process where water soaks into the ground
What is infiltration?
The severe lack of rainfall common in Texas summers
What is a drought?
The time period when dinosaurs lived
What is the Mesozoic Era?
The rock type where fossils are usually found
What is sedimentary?
The natural underground feature formed by dissolving limestone
What is a cave (or cavern)?
The porous rock that stores groundwater in central Texas
What is limestone (or aquifer rock)?
The large ocean storm that can hit the Texas coast
What is a hurricane?
The type of fossil made from footprints
What are trace fossils?