Grade 2

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 →

People swim for many different reasons—recreation, exercise, or competition. The goal of competitive swimming is to be the fastest in a variety of events featuring different strokes. Kids… More →

Football is a hard-hitting game. From games in the back yard to high school to the NFL, people love to play and watch football. Kids will learn the history, basic rules, and equipment of… 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 →

With sleek bodies, dagger-like teeth, and ferocious appetites, barracudas are excellent ocean hunters. Beginning readers will learn where barracudas call home and why they are nicknamed the… More →

People of all ages love to play and watch the game of baseball. It has been a part of American history for around 150 years. Young readers learn the history of baseball, learn how the game is 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 →

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 →

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 →

Pop a wheelie! Motorcycles are exciting vehicles used for many purposes from traveling to racing. Young readers will learn about the different parts of a motorcycle and the various kinds of… More →

Manta rays are large, graceful ocean animals. They glide through the water on slowly flapping fins. Find out what manta rays look like, how they eat, and how they are able to jump and breach… More →

Sponges can be almost any color and look like tubes, fans, vases, cups, or barrels. Most sponges stay in one place all their lives! Float along with a diversity of sponges and explore where… More →