Modes of ______________ are means of traveling from one place to another.

• cars

• transportation

• walking

• transit

The oldest form of land travel is

• by feet

• the car

• the wheel

• walking

Walking was a slow and tiring way to get around. Being a __________ was also painful sometimes.

• human

• horse

• pedestrian

• employee

The invention of the __________ changed how people traveled.

• wheel

• train

• car

• airplane

The bicycle was made of wood and did not have__________

• pedals

• wheels

• brakes

• gears

Other inventors were developing an internal __________ engine fueled by gasoline.

• air

• combustion

• wind

• water

Buses and taxis are used for

• transportation

• mass transit

• to go to work

• to move to one place to another

______________ are boats that can stay underwater for months.

• Cars

• Boats

• Submarines

• Airplanes

________________ carry people and cars short distances across water.

• Sailboats

• Ferries

• Airplanes

• Trains

Engineers have begun to design cars that run on ___________ fuels.

• alternative

• more

• faster

• cheaper