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.

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.

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.

Earth's neighbors have landed: the planets that is! Your child can make his way across our solar system, planet by planet, learning interesting facts like any good astronaut, and making a 3-D mobile.

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.