How would you like to see a real leaf that might have been touched by a dinosaur—a leaf that’s more than 100 million years old? It seems almost impossible, but such leaves really have been found! …
Have you ever looked into a kaleidoscope (kuh duh skohp) ? A kaleidoscope is a toy that makes beautiful designs—thousands and thousands of different designs. You can make a kaleidoscope for…
> Today, horsetails are small. But millions of years ago, they were as > tall as trees. > > horsetails The air was hot and wet. The ground was soft and oozy. Dragonflies with wings as long as…
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