Harcourt Social Studies chapter 4

The area around us is our

• human feature

• environment

• terrace

• school

Bringing water to a dry area is called

• canal

• adapt

• human feature

• irrigation

Things like buildings or bridges, that people add to the landscape

• canals

• natural disasters

• human features

• terrace

When people change their ways of life to fit their environments

• irrigation

• adapt

• human features

• reservoir

A waterway that is dug across land is a

• dam

• irrigation

• terrace

• canal

A path that runs under something is a

• modify

• irrigation

• canal

• tunnel

Hurricanes, earthquakes, forest fires all cause quick changes in the earth

and they are called

• natural problems

• environments

• natural disasters

• weather

Giant stairs cut into hills, to be used for farming, are

• reservoirs

• valleys

• canals

• terraces

Huge structures built to hold back water are

• Canals

• Dams

• Reservoirs

• Tunnels

Anything that makes the water land and air dirty or unsafe to use is

• Irrigation

• Natural Disasters

• Pollution

• Human features