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.

In this arrays 101 workbook, we explore and practice concepts like multiplication, repeated addition, factors, and products — all using arrays!

These vocabulary worksheets will introduce kids to the wide world of words and get them excited about learning new skills through reading.

This workbook is packed with challenging third grade spelling words that your child can practice writing and applying to his or her vocabulary.

The reading and writing practice in this workbook will get kids thinking about all the different parts that go into a good story, like vocabulary, structure and sequencing.

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.

Fractions and decimals are way more fun when you apply them to real life scenarios, like parties, food and pets! This workbook teaches kids all about splitting up numbers.

Knowing your parts of speech is an important part of learning good writing skills. Learn the ins and outs of words with this packet that covers the eight different parts of speech.

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.

Celebrate the Summer Olympics with this activity book. Learn some history, get to know Olympic athletes and ready yourself with all the tools you need to host your very own backyard games!

Learn the lay of the land with a comprehensive breakdown of Earth's landforms. From buttes to fjords, kids will learn all the terminology and science behind the amazing structures of our planet.

Prepare for a world of writing with this packet of exercises, tools and tips. Students learn a few ways to spice up writing, like sensory words, action verbs, supporting details, and point of view.

Personal narrative writing is all about you—the writer! Kids will enjoy writing about themselves, from personal experiences and to feelings and emotions. Plus, they'll learn how to map a story.

Your child may be able to read a clock, but what about the passage of time? This workbook is all about elapsed time, and how to both estimate and calculate how much time has passed in between hours.