Here, your fourth grader will learn how to measure heat and matter. Both heat and matter have dimensions, weight, and volume of objects that help in classifying them according to common properties. Learning such classifications today will help fuel your child's interest for higher learning tomorrow. Secure a copy now.

21 amazing women explorers and adventurers from all over the world From Aud the Deep-Minded, an early voyager to Iceland, and Sacagawea who guided the Lewis and Clark expedition across the USA, to Mae Jemison, the first black woman in space and Arunima Sinha, the first woman amputee to climb Mount Everest, this book shows the incredible courage, determination and power of women explorers over the last 1200 years. These women have led the way exploring...

November 8, 2018. Paradise, California, a community of 27,000 souls, was destroyed in a fire that left 86 dead. Gee and Anguiano offer a dramatic narrative the disaster based on hundreds of in-depth interviews with residents and first responders. They also explore the science of wildfires in a time of dramatic climate change, the role of the power company PG&E in the blaze, and the efforts to raise Paradise from the ruins. -- adapted from jacket Bay...