Mars is known as the red, rocky planet. It has many volcanoes, including the solar system’s largest one. Eager readers will learn about the physical features of Mars and its place in the solar system. More →
Grade 3
6373 records found. Displaying 5869 - 5880.
Coral snakes have bright colors to warn predators that they are poisonous. Young learners will find out how these small snakes look, where they live, and how they hide from predators and… More →
F-35 Lightning IIs are U.S. Air Force strike fighters that battle enemy aircraft to control the skies. Readers will track F-35s on active missions and study the high-tech weaponry and… More →
On May 12, 2008, a strong earthquake rocked Beichuan, China, destroying buildings and entire neighborhoods. When Beichuan's high school collapsed, 16-year-old Li Anning and her friends were… 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 →
In 2009, Larry Fitzgerald established himself as one of the NFL's best players when he led the Arizona Cardinals to their first-ever Super Bowl appearance. The hard work and passion Larry… More →
You may not see a Portuguese man-of-war when you’re swimming in the ocean. Yet that doesn’t mean you’re safe. A man-of-war’s tentacles are so long—up to 165 feet (50 m)—that a swimmer could… More →
Can we meet today’s energy challenges with clean, cheap, reable sources of energy? Yes! And one of the solutions is right under our feet. Using Earth’s Underground Heat uses clear, simple… More →
Muscle cars are street cars with large, powerful engines capable of reaching high speeds. Classic muscle cars were made in the 1960s and 1970s. Young readers will learn about the history of… More →