Talk for grade 4 at my son's school, Science Week 2004

1. Wonderful WavesWonderful Waves!

2. What is a wave?
Everyday waves
How do we make waves?
Sound and Light
Scary Monster waves

3. Sound-wave miracle: a Tuvan musician can sing two
(or three!) notes at once

4. Waves on waves ....

5. ... on waves ...

6. ... on barriers ...

7. . . . . to understand
How we can use
X-ray waves . . .
.
Sensitive photo-film goes
dark where X-rays hit
DNA

8. Another kind of wave: the bubble wobble

9. Some monster Waves:
Rogue sea waves
Tsunamis
Shock waves
Supernova blasts

11. Rogue or “freak” waves can sink a ship!

12. The tsunami

13. Sonic shock in a wind tunnel

14. Sonic shock wavesSonic shock waves
fromfrom planesplanes

15. Supernova Blast Wave: the star maker

17. It is a wave?
It is a shock?
No: it's a Smoke Ring
or
vortex structure

18. Blast, shock, sound, and “smoke rings” — in one event

19. The End