What on Earth? This reading comprehension work revolves around facts and myths about our own planet. Extend your child's reading skills and help ideas take root with this down-to-earth workbook.

The activities in this workbook do double-duty as both vocabulary practice and earth science review with a collection of word scrambles, crosswords, and quizzes about animals, plants and planets.

Embark on a worldwide animal safari with this nature-lover's workbook! Learn about animal habitats, endangered species and more, all while honing reading comprehension skills.

This guide takes your child through all the steps of creating a successful science fair project, from choosing a project and conducting research, to writing up a report and making a display.

Did you know that light can bend? Help your curious kids learn the important physical properties of light and explore how light adds colors to our world, with this beautiful series on light and color.

Week 4 of this independent study packet for third graders brings on new challenges in various subjects.

Why does the earth spin? How is a rainbow formed? Feed the flame of curiosity in your child, and find out the answers to some of those age-old questions about how the world works.

Give the subject of energy a zap! This workbook offers a brief overview of energy, its sources and uses. With clear vocabulary and illustrations, it's a great introduction to what fuels us.