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Ch-ch-ch-ch-changes! What animals change more than tadpoles? Show the life stages of frogs in this hopping biology project.
Your body may change every day, but you have the same limbs and you have breathed in the same way since birth. Frogs, however, start out underwater with a tail and end up on land tail-less with four legs!
With a partner, find out more about this fascinating growth process. With Crayola® Erasable Colored Pencils, jot down notes about each stage and sketch the features you will include on your models. Just erase if you need to correct your drawing or spelling.
Shape brown Crayola Model Magic into a newly hatched tadpole. (Or knead brown color from a Crayola Washable Marker to white Model Magic.) Its gills look like tiny tentacles at this stage.
Form a more mature tadpole whose hind legs have appeared and head bulges where future front legs will grow. Add some green Model Magic or knead green color from a washable marker to show the slight change in hue.
Blend in more green to create the third stage of life for this fascinating amphibian. This creature’s tail gets shorter as its front legs appear.
Next the immature frog’s eyes seem to grow bigger while the tail all but disappears. Front and back legs become stronger and more functional.
The final frog is all green with ready-to-leap limbs, nostrils for breathing, and a wide mouth for snatching bugs.
Color a pond for your frog display. The next time you see or hear a frog, explain what you’ve learned about a frog’s life to your companions!
People around the world give thanks for their food. Celebrate a harvest of pineapples, pumpkins, or pomegranates-and sho
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Our crayons have been rolling off the assembly line since 1903, and you can see how it’s done.
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