Unit 5-Geology

the study of the characteristics of the earth's surface

• ecology

• geography

• archaeology

the study of the relationships between living things and their environments

• ecology

• geography

• archaeology

the study of past human life and activities by examining bones, tools, and other objects left behind

• geography

• archaeology

• ecology

to send out rock, lava, and ash in a sudden explosion

• conclude

• erupt

• catastrophe

the preserved remains of something that lived long ago

• fossils

• animals

• evidence

a scientist who studies the earth and the forces and processes that shape and change it

• astronomer

• ecologist

• geologist

an idea that has been suggested and may be true but has not been proven

• observation

• hypothesis

• evidence

a process in which continents slowly move over time on the surface of the earth

• hypothesis

• continental drift

• ecology

a surge of energy traveling out from an earthquake's source through the earth

• magma

• plate tectonics

• seismic wave

heavy, dense rock formed from cooled, hardened lava

• basalt

• lava

• magma