a place where two tectonic plates collide
what is a boundary?
the preserved remains of past life
what is a fossil?
the substances rocks are made of
what are minerals?
the region of the Pacific Ocean with over 2/3 of the world's volcanoes
what is the Ring of Fire?
outermost layer of the Earth
what is the crust?
a crack in the Earth's surface where movement has occurred (typically along a plate boundary)
what is a fault?
the rough length of an eon
what is 1 billion years?
what an igneous rock is formed from
what is lava?
the liquid rock present in volcanoes
what is magma?
outer core's state of matter
what is liquid?
the three types of plate boundaries
what are convergent, divergent, and transform?
how an imprint of remains is created through high pressure
what is compression?
sedimentary rocks are formed through this process
what is lithification?
the name for magma that has reached Earth's surface
what is lava?
the layer that moves tectonic plates
what is the lithosphere?
a phenomenon occurring at mid-ocean ridges
what is seafloor spreading?
a famous fossil of two animals in a burrow
what is the Triassic Cuddle?
the measurement of a mineral's resistance to scratching
what is hardness?
a landmass that can be formed from volcanoes
what is an island
a place where oceanic crust forms
what is a mid-ocean ridge?
the scientist who proposed the laws of stratigraphy
who is Steno?
the minerals typically present during petrification
what is calcium carbonate and/or silica?
the two types of metamorphic rocks
what are foliated and non-foliated?
what is a landslide OR tsunami OR earthquake
a key difference between oceanic and continental crust
what is oceanic crust is thicker OR continental crust is thinner OR oceanic crust is younger OR continental crust is older?