Page 48 - @ccess 2 Reader´s Book
P. 48
WHAT IS A ROCKET?
When most people think of a rocket, they think of a tall,
round-topped vehicle that flies into space.
But the word "rocket" can mean two different things.
The word can describe a type of engine, and it is also
used to talk about a vehicle that uses a rocket engine.
Reader's Book 47
