Simple text explores the principles of liquids, including melting, freezing, surface tension, and density.
Introduces simple scientific principles involving heat, and provides instructions for experiments that can be done at home to prove them.
Describes experiments that can be performed with plants in order to learn about their properties, including whether roots grow before stems, the importance of light, and how plants drink water.
Farm-raised turkeys are an important source of food for millions of people. Readers will learn all about the lives of these intriguing animals, from what they eat to how they spend their days.
Many kinds of workers are needed to care for all of the different animals living at a zoo. Readers will learn about the jobs done by people working behind the scenes to make sure that zoo animals stay healthy and visitors enjoy their days at the zoo.
Llamas are strong, useful animals. Their hair is an important source of fiber and they are excellent pack animals. Readers will find out all about the lives of these extraordinary animals.
Complete a variety of fun science experiments while enjoying fun in the sun at the beach.
Complete a variety of fun science experiments in your own backyard.
Complete a variety of fun science experiments dealing with cars.
Complete a variety of fun science experiments using the items found in your classroom at school.
Complete a variety of fun science experiments with the plants in your garden.
Complete a variety of fun science experiments using the equipment at your favorite playground.
Complete a variety of fun science experiments using common kitchen items.
Learn where our home planet fits into the solar system, what it is made of, and why it is the only place we can live.
Discover what it's like on the surface of the red planet and find out how space missions have helped scientists learn more about it.
Learn all about Jupiter, our solar system's largest planet, and its many moons.
Find out about the closest planet to the Sun and learn why its years are so short.
Travel to the far reaches of our solar system and learn about this distant, gaseous world.
Learn all about the distant planet Uranus and its many moons and rings.
Venus is the closest planet to Earth, and it is also very similar in size. Learn all about "Earth's twin".
