
Big and small, spider webs are everywhere. Spiders weave webs to catch flies and other insects. The webs are made of silk. Spiders make their own silk.
Photo Credit: yanikap/iStock/Getty Images
Dr. Andrea Ghez is an astronomer. She studies things in space. She found a … read more
Bird watching can be a fun activity. But when winter … read more
Summer brings beach weather. That means the sun is shining. … read more
© 2025 McGraw-Hill Education. All Rights Reserved.