Sonar, by Karen Price Hossell

Sonar, by Karen Price Hossell
Heinemann Know It series, Heinemann Library, 2003
39 pages, 2 appendices, glossary and index.
Oversize, illustrated with color photos throughout book.


Table of Contents
1. Sound waves
2. Sound Waves and Echoes
3. Underwater Sound
4. Why Can't People Hear Sonar?
5. Early Sonar
6. Submarines, Sonar and War
7. Kinds of Sonar
8. Mapping the Ocean Floor
9. Finding Faults
10. Underwater Archaeology
11. Looking for a Monster
12. Sonobuoys
13. Sonar and Robots
14. Bats and Sonar
15. Dolphins, Whales and Sonar
16. Finding Mines
17. Ultrasound
18. Careers in Sonar
Appendix A: Ocean Maps
Appendix B: Sonar Tools
GLossary
More Books to Read
Index