Discover how heating and cooling make things from snowboarding to baking cookies possible.Rookie Read-About Physical Science series introduces the youngest readers to physical science concepts. Each book features critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more. This series is aligned to the Next Generation Science Standards. BRRR! Sometimes it's freezing outside. PHEW! Other times it's scorching. And the weather isn't the only thing that changes when the temperature does.