Shannon Zemlicka

How does an egg become a butterfly? Follow each step in nature's cycle—from egg to ...

How does a tadpole become a frog? Follow each step in nature's cycle—from egg to ad...

How does iron turn into a brand-new car? Follow each step in the production cycle—f...

How does oil turn into fuel for cars and trucks? Follow each step in the production cycle...

How does a butterfly grow? It starts with a mother butterfly laying eggs. Next the eggs h...

How does a swimming tadpole become a hopping frog? A tiny tadpole leaves its egg. It swim...