A clock certainly seems nothing like a ruler. Yet, a clock and a ruler do the same kind of job. They both measure something. A ruler measures length and a clock measures time. People of long ago...
Shadow time
> At sunrise your shadow on the ground is very long---longer than you > are! At sunset your shadow is long again, but it points the other way. > And in the middle of the day, when the sun is high in...
What makes a shadow?
> In the sunshine, your shadow travels with you everywhere you go. > Sometimes it bends in funny places. Sometimes it takes a strange > shape. But it's always there. On a cloudy day, or in a dark...
Four-footed forecaster
> Ground-Hog Day > > February 2 Do you think that a small, furry animal can tell what the weather is going to be like? Some people in the United States think that the ground hog, or woodchuck,...
Shadow on the moon
The night is clear and starry. There's a bright, full moon in the sky. But, then, a tiny, curved shadow appears on the edge of the moon. Slowly, the shadow creeps over the moon. More and more of the...
Who stole the sun?
It's the middle of the day. The sun hangs big and bright in the sky. But, what's this? The sky seems to be growing dark. Is there going to be a storm? No, there are no clouds. Why is the sky getting...
My Shadow
> by Robert Louis Stevenson I have a little shadow that goes in and out with me, And what can be the use of him is more than I can see. He is very, very like me from the heels up to the head; And I...
