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.

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

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.

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.

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.