2nd Grade

On a hot day, what can people do to cool off? Learn about the many ways there are to keep cool. Created in collaboration with the Smithsonian Institution, this e-book builds students' literacy skills while fostering...

At Smithsonian's National Zoo, keeping the zoo animals happy and healthy is a big job. Part of this involves creating enclosures and habitats that make the animals feel at home. Learn how zookeepers designed a habitat for...

A marble rolls down a tube. It hits a doll, which knocks over some dominoes. Anything can happen in a Rube Goldberg Machine! These machines take simple tasks and make them complex and fun. Do you have what it takes to make...

How do wildfires start and what can people do to stay safe from them? This informative title teaches students about the causes of wildfires, how firefighters put them out, the differences between different types of fire,...

What if people could grow plants in space? Would people be able to live on other planets? Scientists say yes! All plants need to grow is light, water, soil, air, and science. Learn about farming in outer space with this...

There are many bird species that are endangered and need our help. Bird keepers decide which species they can help the most. Spend a day in the life of a bird keeper and learn how they are "hatching" new plans to help...

Animals usually know how to take care of themselves. But sometimes they need help! Animal keepers have developed innovative ways to help zoo animals learn and grow. Learn how zookeepers keep animals healthy and happy...

Learn how prosthetic devices and technology such as 3D printing have been developed to help injured dogs, cats, elephants, and dolphins! Created in collaboration with the Smithsonian Institution, this title builds...

Everyone lives with day and night. But in some places, the days go on and on--and so do the nights! How do people live where the sun never seems to rise or set? Learn what life is like in the "land of the midnight sun"...

Most people use maps every day. But imagine a time when a map of a place didn't exist. Without a map, how would you get there? How would you get around? Navigate through history as you learn the art, science, history,...

How do the size and shape of a trumpet's bell affect its sound? How do the levers, hammers, and strings of a piano work together to make music? Discover the answers to these questions with this e-book that builds...

Everyone needs clean water to live. But not everyone has access to clean water. Learn how people around the world are working to find a solution to the clean water problem! Created in collaboration with the...