Grade 5

A single day is longer than a year on Venus! This hot, rocky planet is much like Earth, but it holds many mysteries that scientists work hard to unravel. How did it form? What is it made of?… More →

Neptune is the outermost planet in the solar system! It may look a calm blue, but this huge planet is swirling with activity. A thick layer of clouds gives way to whirls of rocks and ice.… More →

A beautifully vast landscape and respectful culture fill the country of Cambodia. Despite a history of persecution and danger, Cambodians celebrate their freedom and customs with joy! In this More →

Switzerland is a country of many faces! People from all over the world make this neutral land home. Even though it has four official languages and a diverse population, Switzerland’s culture… More →

Uranus is an ice giant that spins completely on its side! Scientists have studied it since its discovery in 1781, but Uranus remains one of the solar system’s most mysterious planets. In… More →

Not even a century ago, a computer took up an entire room. Today, a computer can fit inside your pocket! Over decades of technological advancement, the personal computer has shaped the world… More →

Indy cars got their start on a car factory test track. That track went on to become one of the most famous racetracks in the world! Take in the long history of these open-wheel racers and… More →

Read all about it! The history of the printing press started centuries ago. Through the years, it has been used to share news, make books more affordable, and make information more… More →

Journey to the red planet! Given its similarity to Earth, Mars has long fascinated humans. Today, we are closer than ever to unlocking the mysteries of how Mars formed and whether the planet… More →

Only 12 humans have walked on the Moon. But scientists have learned a lot about Earth’s night light. We know how it was formed, about its relationship with Earth, and its surface features.… More →

The 20th century approaches, and life is about to change forever! Inventors across the world race to invent and innovate automobile designs. Which ones will end up on top? Anyone who has ever More →

Many consider Thomas Edison the inventor of the light bulb, but this world-changing invention has a long history. Since the 19th century, many have worked to create and improve the light… More →