"Did you know that light travels on waves? It helps us see in the dark, it brings color to our world, and it moves through the air faster than sound!"--.
"The earth is round, so why don't some people hang upside down? The answer is gravity! Young readers can explore the concept of gravity with vibrant, full-color photos, clear text, and critical thinking questions"--.
"Why can humans live on the planet Earth? The third planet from the sun has many unique features that set it apart from the other planets in our solar system"--Provided by publisher.
"Take a trip to Mexico and find out what makes this country special. Learn about the history and culture of the United States' southern neighbor with full-color photographs, age-appropriate text, and more"--Provided by publisher.
"What foods do people eat in Russia? What animals can live in the tundra? Learn these facts and more as you take a photo-filled journey through Russia, the largest country on Earth"--Provided by publisher.