SOURCES OF POWER

BEFORE

• Humans
• Wind
• Animals
• Water

AFTER

• Humans
• Wind
• Animals
• Water
• Oil
• Steam
• Coal
• Gas
• Nuclear energy

WHERE MOST PEOPLE LIVE

BFORE

• Farms
• Small towns

AFTER

• Cities
• Suburbs

WHERE MOST PEOPLE WORK

BEFORE

• Farms

AFTER

• Factories
• Businesses

PRINCIPAL SOURCE OF EDUCATION

BEFORE

• Family

AFTER

• School

SOURCES OF FOOD AND CLOTHING

BEFORE

• Handmade
• Homegrown

AFTER

• Manufactured
• Bought in stores

SIZE OR FAMILIES

BEFORE

• Extended
• Large- several generations

AFTER

• Nuclear
• Parent and children- two generations

SENSE OF TIME INFLUENCED BY

BEFORE

• Seasons
• Sunup and sundown

AFTER

• Work hours

MEANS OF TRANSPORTATION

BEFORE

• Foot
• Animals

AFTER

• Trains
• Cars
• Trucks
• Planes

MEANS OF COMMUNICATION

BEFORE

• Spoken
• Written word

AFTER

• Electronic media