About the Book: The world of science and technology
There are 100 quizzes of 10 questions each, graded and colour-coded for
difficulty. You can use these to test what you already know about the world of
science and technology but they will also lead you into finding out more about
the subject, as each question is accompanied by a cross-reference to the
relevant pages in the reference section. These pages give you the answer to the
question plus masses of other interesting information on the topic. Theres also
a quick answer section at the back of the book with a blank question and answer
sheet. The