Search Results

Construct an arsenal of mini-models of large launchers, based on siege weapons used throughout history. All you need are everyday items and some adult help. Wheel them out as you conduct a… Read More →

Make models of castle buildings and little knights, and plan a medieval battle scene that uses the mini-launchers from other books in this series. All you need are everyday items and some… Read More →

Around the world, from US coastal towns to island nations of the Pacific and the deserts of Africa, people are in danger of losing their homes. Some have already fled. Others know they are… Read More →

How do computers know what you want them to do? They receive instructions called code with the specific steps needed to perform a task. Learn how to create codes, what happens when… Read More →

Do you love solving problems with mathematics? So did groundbreaking computer programmer Jean Bartik. She turned her passion for math into a successful career in what was then a brand-new… Read More →

Bionics uses mechanical and electronic technology to solve biological problems. How does it help people who have lost limbs walk again? How does it return hearing or vision to the deaf or… Read More →

Cryobiologists study how cold affects living things. This research has many amazing uses, but what do icy temperatures have to do with organ transplants? And how can researchers use a freezer Read More →

Every year, doctors and medical researchers make incredible breakthroughs in human medicine. Did you know some are finding ways to build organs in laboratories? Or that others are studying… Read More →

Drones seem to be everywhere. But what is the difference between drones used in the military and those used in civilian life? How fast can drones travel? Users pilot crewless aircraft of all… Read More →

Forensic scientists study evidence to figure out who committed a crime. But how do they determine the cause of death? And how do they use trained dogs and devices to track scents? Learn about Read More →

Did you know that scientists are able to build with atoms, the smallest building blocks of the universe? Advanced devices, materials, and computers are three areas in which nanotechnology is… Read More →

Did you know that robots play a very large role in the lives of humans? They clean our floors, explore other worlds, and work in factories. As computers get smaller and faster, robots are… Read More →

Every year, scientists send people and robots into our solar system to explore space. How are scientists preparing for journeys to Mars? What are robotic explorers and how do they study the… Read More →

Do you enjoy spotting wild animals in the forest? As a little girl, Rachel Carson loved to explore the woods near her house. As an adult, she became an ecologist who helped change national… Read More →

Plants have roots, stems, leaves, and sometimes flowers. Each part of a plant does a special job. But do you know what a stem does? Or how different seeds travel away from their parent… Read More →

Sunlight helps a plant make its own food using photosynthesis. But do you know what happens to a plant when there is no sunlight? Or what part of a plant makes food? Let's experiment to find… Read More →

A plant can form fruit and seeds when it is pollinated. Animals and wind help spread pollen from one plant to another. But do you know how insects pick up pollen from flowers? Or how each… Read More →

Sunlight, air, water, and minerals help keep plants alive. But do you know how much water is needed for a seed to sprout? Or what a plant will do to find the light it needs? Let's experiment… Read More →

Roots help keep plants alive. They take in water and minerals. But do you know how much of a plant is made up of its roots? Or whether roots always grow down? Let's experiment to find out!… Read More →

Have you ever wondered how a set of batteries power the remote for your TV? Or have you ever wanted to examine the battery inside a car? Without batteries, we would not be able to power many… Read More →

Have you ever wondered how electricity powers your home or school? What about how that electricity travels? In any device that uses electricity, inside is a small path called a circuit… Read More →

Did you know that trees, buildings, and even people can act as conductors for electricity? Or have you ever wondered why we're warned not to go outside during a thunderstorm? Scientists,… Read More →

Have you ever wondered how the lights in your alarm clock work? Or have you ever considered how that tiny red light in your TV remote control sends a signal that helps you find your favorite… Read More →