SCIENCE MARATHON (WEEK 9)

A system of living things and their environment is called

• Community

• Population

• Ecosystem

• Habitat

Water flowing over land after rain

• Stream

• Runoff

• River

• Aquifer

The shape and features of a land are called

• Geology

• Anatomy

• Paleontology

• Topography

A curve or loop in a river is called

• Lagoon

• Meander

• Valley

• Stream

Low land between hills or mountains

• Valley

• Peak

• Water fall

• Canyon

A deep valley with steep sides

• Valley

• Canyon

• Floodplain

• Landform

A type of single cell organism

• Algae

• Humans

• Trees

• Bacteria

Land that floods easily near rivers

• Landforms

• Floodplain

• Hurricane

• Mountains

A natural feature of the Earth's surface

• Floodplain

• Meander

• Valley

• Landform

Breaking rocks into small pieces by wind or water

• Deposition

• Weathering

• Condensation

• Evaporation