Grade 3

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 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 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 →

Space shuttles bring astronauts into and out of space. Children will learn about the history of space shuttles, the advanced technology aboard, and how these vehicles perform their missions. 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 →

We use wheels and axles several times every day. Young readers will learn how a wheel and axle work together, how they make work easier, and how they are used in larger, complex machines. More →

High speeds, superior handling, and sleek design are all features of super cars. Readers will learn about the history and technology of these extreme sports cars as well as how they are… 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 →

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 →

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 →

Bear cubs are born in a den while their mother bear is in hibernation. Young students will learn how bear cubs hunt for berries and climb trees to escape danger. More →