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What keeps us stuck on the ground? What makes magnets come together? What makes one team win during a game of tug of war? Forces

Our world operates the way it does because of forces. Gravity, magnetism, pulling and pushing forces, and friction are some of the many forces that affect the way we move on Earth. They even affect the Earth itself--without gravity, the world would eventually fly apart

In Forces, kids ages 6 to 9 are encouraged to observe and consider the different forces they encounter on a daily basis. By recognizing this basic physics...

What's the matter? Everything is matter

Everything you can touch and hold is made up of matter--including you, your dog, and this book Matter is stuff that you can weigh and that takes up space, which means pretty much everything in the world is made of matter.

In Matter, kids ages 6 to 9 explore the definition of matter and perform weighing and measuring tests to determine whether different objects are made of matter or not. This introduction to physical science for elementary aged children also explores the different states of matter and the...

Do you listen to music with an MP3 player or read books on a tablet? Do you play multiplayer video games with people on the other side of the world? Do you have a robot cleaning your kitchen? Maybe not yet, but someday

In Technology: Cool Women Who Code, kids in grades four through six learn about the thrilling effort that goes into researching, inventing, programming, and producing the technology we use today, from iPods to mechanical limbs. Young readers discover exactly what technology is, how it evolved, and where the future may lead. They also meet three women who have...

Do you have a lot of energy? What else has energy? Just about everything that moves

When you feel like running, leaping, and singing, people might say you have a lot of energy. And you're not the only one Energy is the stuff that makes everything live and move. People, animals, plants--we all need energy to live

In Energy, kids ages 6 to 9 discover different forms of energy, including heat, light, and chemical energy, that keep the world working and moving. Children are introduced to physical science through detailed illustrations paired with a...