Each book in this terific new series is packed with teacher-tested ideas and activities that important math concept.
Using apples, children learn how to divide things into parts.'
This book is for people who are curious about the world around them, but who may be a bit intimidated by science.What Einstein Didn't Know provides intriguing answers to questions such as - Why are some flames blue and others yellow? - How does soap "know" what's dirt? - Why won't oil and water mix? With sections called "Try It" providing forty-eight fun demonstrations that can be performed …