The Highlights Book of How is the essential book of curiosity and wonder, integrating STEM content, experiments, and activities. This companion to the Highlights Book of Things to Do provides dozens of ways for kids age seven and up to explore and create while deepening their understanding of science. This highly visual, hands-on book showcases kids' science questions (many of which were sent to Highlights magazine by real readers), along with answers provided by experts. The Highlights Book of How covers an impressive variety of things kids are curious about--from how the moon formed, to how humans grow hair, to how popcorn pops, and much more. Practical experiments and activities included with each science question empower kids to actively investigate the world around them and to develop a lifelong love of learning.