What's the Big Idea?

Why does a rolling ball stop rolling? Why doesn’t the sun burn out? Why can’t you unscramble an egg? Why can’t we live forever? These are all questions that a curious kid might ask. In What’s the BIG Idea?, renowned juvenile science educator Vicki Cobb answers these and thirty-one other fascinating questions to help kids learn more about the world through the wonders of science.

A big idea is one ...