Science and Math

The sun radiates light, heat, and energy at the center of the solar system. Eager students will explore how the sun works and its relationship to Earth and the other planets. More →

The planet Uranus has a bright blue-green color because of methane gas in its atmosphere. Young children will learn about the discovery of Uranus, how it has been explored, and why it is… More →

With reflective clouds, Venus appears to be the brightest planet in the night sky. Young students will read about the discovery of Venus, its harsh environment, and the ways it has been explored. More →

The solar system is made up of planets, moons, asteroids, comets, meteoroids, and more. Young readers will learn about the bodies that make up the solar system and how they interact with each other. More →

Astronauts live and work on space stations that orbit Earth. Young readers will read about space station parts, the first space stations, and the International Space Station. More →

Saturn has the largest and most complex ring system of any planet in the solar system. Young learners will read about Saturn’s discovery, its physical traits, and how the sixth planet in the… More →

Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids will learn how screws work and how they are used in complex machines. More →

What are simple machines? Young learners find out about the six simple machines in this series. They are presented with the basic physics concepts behind simple machines, the ways simple… More →

Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction… More →

Wedges are simple machines used to split, lift, or hold an object in place. Children will discover how wedges perform jobs for people and how they make everyday life easier. More →

Pulleys are simple machines used to lift and move loads. Builders use pulley systems to lift tools or materials. Elevators use pulleys to move up and down. Kids will learn how pulleys make… More →

Ramps are simple machines used for work and play. Workers use them for easy loading and unloading. Skateboarders use them to do tricks. Readers will learn how ramps make work easier and how… More →