"From levers to pulleys, simple machines make our lives easier. They help roll, lift, cut, tip, and turn everyday objects . . . readers will dig into the science behind how we use simple machines to get the job done"--Publisher.
Discusses the importance of ladybugs, their role in the ecosystem, their life cycle, and different types of ladybugs. Includes additional facts about ladybugs, riddles, a quiz, and a picture glossary.
