TY - BOOK ED - Candlewick Press. ED - PBS for Kids. TI - Ruff Ruffman's 44 favorite science activities T2 - Fetch! with Ruff Ruffman (Series) SN - 9780763674328 (pbk.) PY - 2015/// CY - Somerville, Massachusetts PB - Candlewick Entertainment, an imprint of Candlewick Press KW - Science KW - Miscellanea KW - Juvenile literature KW - Experiments KW - Science projects N1 - "For school or home"--Cover; "PBS kids"--Cover; Includes index; Ages 8-12 N2 - "Launch a marshmallow catapult! Decode invisible ink! Get ready to get your paw dirty tackling feats of chemistry, physics, and engineering with Ruff Ruffman's 44 favorite science activities. Need a project for school? No problem! Check out the science"--Page 4 of cover ER -