a high area of land with an opening where lava flows or explodes out from
What is a volcano?
a solid natural material that is found on and under the surface of the Earth
What is a rock?
when a liquid turns to solid, like when liquid water freezes to solid ice
What is freeze?
a dark rock made of fossil plants that can be burned and used for fuel
What is coal?
a person who uses science to come up with solutions to problems
What is an engineer?
when lava quickly comes out of a volcano
What is erupt?
a volcano with slow-flowing, thick lava that usually erupts with an explosion
What is a cone volcano?
a process where a root growing causes rock to break apart
What is root wedging?
the remains of a plant or animal that lived a very, very long time ago
What is a fossil?
when lots of rocks and soil roll down from a cliff or mountain
What is a landslide?
liquid rock that flows or explodes from a volcano
What is lava?
a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
What is a model?
a process where water freezing and expanding causes rock to break apart
What is ice wedging?
very small pieces of rock
What is sediment?
how much higher one side is than the other
What is slope?
a volcano that is not likely to erupt in the future
What is an extinct volcano?
a volcano with fast-flowing, thin lava that does not usually erupt with an explosion
What is a shield volcano?
when tiny bits of rock are moved from one location to another by water, wind, ice, or gravity
What is erosion?
a material made of fossils that is burned for energy, such as coa
What is a fossil fuel?
something that is very high up on one end and very low at the other end
What is steep?
a type of rock formed when thin, fast-moving lava cools and is usually very dark in color
What is basalt?
a type of rock formed when thick, slow-moving lava cools and is usually light in color
What is felsite?
the process of breaking rocks into smaller pieces
What is weathering?
a type of rock formed when sediments settle and then press together over long periods of time
What is sedimentary rock?
an event in nature (such as a landslide, earthquake, hurricane, or wildfire) that can be dangerous to living things
What is a natural hazard?