SS Unit 4 Review

Invention of cars changed towns by.....

• making trees grow larger

• roads being paved

• stores selling fewer goods

• made people to use more horses

In the past children walked long distances to school, and

now they ride school buses. What could be a reason children no longer walk long

distances to school?

• Children today are lazy

• Children were not allowed to ride the bus in the past

• More traffic means children would not be as safe

• Everyone lives closer to schools now

Why is it important for scientists to invent the cell phone, a phone that is not

connected by wires?

• People could talk on the phone no matter where they were

• People would stop making so many phone calls

• People could call their family

• People could stop spending extra money

In the past, refrigerators couldn't...

• keep food cold

• open doors properly

• use cell phone to see what's inside

• make ice or keep anything frozen

The main reason for the pony express is .....

• fight against enemies

• carry mail across the country

• teach children to ride horses

• see if a horse is faster than a train

Daniel Boone was a...

• doctor

• teacher

• artist

• explorer

Hector B. Garcia helped improve lives of Hispanics and believed in...

• some people are better than others

• Mexico was not a good place to live

• only men should be allowed to fight in wars

• all people should be treated equally

Harriet Tubman was...

• brave

• selfish

• unkind

• cowardly

_________ keeps you from getting sick with certain diseases

• sickness

• vaccine

• pasteurization

• fevers

_________ makes food safer

• erosion

• evaporation

• pasteurization

• persuasion