Children’s Museum Houston

Classroom Curriculum

Such a Leech

Learn about how useful leeches can be. GROSS OUT WARNING! This video contains an actual leech feeding...on Mr. O!

Mr. O’s “O Wow Moments” help you to become an scientist at home with hands-on, minds-on experiments and demos! Watch Mr. O every Saturday morning during the 7 a.m. news on Houston's KPRC Local 2 to see a new science demo you can try at home. Share your experiments with us on facebook and Instragram!