a type of rock made from molten lava
igneous
a long, narrow, sunken area of the ocean floor
trench
something easily observed that can be used to confirm or deny an idea
evidence
a type of rock that formed when particles, such as dirt, sand, and fossils, settled into layers and become compressed
sedimentary
a four-pointed symbol that shows which directions are north, south, east, and west on a map
compass rose
an area in Earth's crust where tectonic plates meet
fault
characteristics or parts of something
features
a type of rock formed when particles of other rocks are combined by great pressure and very high temperatures
metamorphic
an explanation on a map for the meaning of the symbols on the map
legend
deep narrow area surrounded by mountains
canyon
something that appears or happens in the same way again and again
pattern
the process where particles are removed from land by wind, ice, or water
erosion
picture, colors, and lines on a map that have a specific meaning
symbol
a steep hill with a small flat top
butte
trait, feature, or quality
charateristic
the process that wears away or breaks down rock
weathering