52 The History of the Earth: Supplemental Guide 3 | The Earth Inside-Out, Part II
Core Vocabulary
disasters, n. Events that cause much damage or suffering
Example: Volcanic eruptions, earthquakes, and hurricanes are examples
of natural disasters.
Variation(s): disaster
liquid, adj. Moving or fl owing freely
Example: There is liquid rock deep inside the earth.
Variation(s): none
molten, adj. Made liquid by heat
Example: It takes very high temperatures to melt metals into molten
forms.
Variation(s): none
solid, adj. Keeps its shape
Example: They put the water in the freezer so that it would become
solid ice.
Variation(s): none
volcano, n. A mountain formed by the lava, gases, and ash forced out
from an opening in the earth’s crust
Example: When a volcano erupts, lava fl ows out from it.
Variation(s): volcanoes