It's a bitterly cold winter day. Snow lies in a great white sheet on the ground and on the roof of your house. The roof is warm from the heat inside the house, so the snow on the roof is slowly...
Sparkly pictures on your window
The door was shut, as doors should be Before you went to bed last night; Yet Jack Frost has got in, you see, And left your window silver white. He must have waited till you slept; And not a...
Lacy crystals
> Look up during a snowstorm. Watch the snowflakes come spinning down > out of the sky. You can see that snowflakes aren't drops, like rain; > or lumps, like hail; or tiny beads, like sleet. They...
Beads and balls of ice
Hail and sleet are frozen rain. But they are very different. Sleet is tiny beads of ice. Hail is lumps of ice and snow that may be as big as baseballs! Hailstones begin as ordinary raindrops in a...
The bridge in the sky
Long ago, people thought that rainbows were magic. Some people believed that a rainbow was a bridge that appeared in the sky when the gods wanted to leave heaven and come down to earth. People also...
Flash and bang
Oh, oh---you're caught in a rainstorm! The sky is dark and angry and rain is spattering down all around you. Suddenly, a zigzag flash of lightning brightens the sky for just an instant. Almost at...
How much did it rain?
You've probably heard weather forecasters on radio or television tell how many inches or centimeters of rain fell during a storm. But how do they know how much rain fell? Scientists measure rainfall...
Sparkling spider webs
Early in the morning, when the sun chases the night's shadows from lawns, gardens, and meadows, the ground is full of sparkles. Dewdrops, like tiny jewels, are everywhere. They glitter on spider...
Clouds airplanes make
Have you ever looked up and seen a jet airplane high in the sky? Sometimes you will see what looks like a trail of white smoke stretched out behind the plane. This trail is a cloud made by the jet. ...
Homemade clouds
You can make a cloud! In fact, you probably have made clouds many, many times. All you need is a cold day. Just open your mouth and blow a puff of breath into the cold air. For just a moment, you'll...