top of page
What can happen in just a second,
a minute, or an hour?
How can we measure time?
The flap of a vulture’s wing.
A crocodile’s heartbeat.
The weight of a baby blue whale.
The life of a mayfly.
These increments of time may sound a bit strange, but they are all fascinating ways in which we can think about time.
But what exactly is time?
40 pages
HMH Books for Young Readers
2011
bottom of page