Trains

Question 1

What does a train need to guide it?

Answer 1

A train uses tracks to guide the vehicle.

Question 2

What problems do trains have?

Answer 2

Traveling at such a high speed made accidents very dangerous.
Pollution was created because of the burning coal.

Question 3

How are modern trains powered?

Answer 3

By electricity or diesel

Question 4

Who was the inventor of “The Rocket”

Answer 4

George Stephenson

Question 5

What was The Rocket

Answer 5

A locomotive

Question 6

What is an internal combustion engine?

Answer 6

It combines fuel with oxygen from the air and then ignites this mixture to create an explosion.
This pushes the piston in a cylinder which is connected to the wheel creating a turning motion.

Question 7

What are the advantages of using an internal combustion engine? Name 3

Answer 7

1. It is lighter than a steam engine
2. Can be used in small vehicles like cars
3. More powerful than the steam engine or animal power

Question 8

What are the disadvantages of an internal combustion engine?

Answer 8

1. The exhaust gases are harmful to the environment.
2. Many moving parts causes wear and tear on the engine.
3. The engine has to be constantly oiled and maintained by a highly skilled mechanic.