Did you know that lightning is five times hotter than the surface of the Sun? Or that with a long enough lever you could lift an elephant on your own? Or that there are about ten thousand million million million molecules in a thimbleful of air?
What's heavier: a tonne of fat or a tonne of feathers? Of course, you say it's a trick question - and this book explains exactly why, with information about weight, mass and other forces. As well as fundamental physics, read up on crucial chemistry - and find out the total truth about what really happens when you burn the toast . . .
- Publication Date:
- 08 / 07 / 1997
- 127 x 199mm