The natural world comes alive for young readers with Rookie Read-About Science! Rookie Read-About Physical Science series introduces the youngest readers (Ages 6-7) to physical science concepts. Each book features critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more.
Simple book that teaches children what velocity is. I do agree with its simple definition as it is "speed plus direction" (23). Knowing that early definition now is a great start when they get into physics, but it can be held off for another time.