The Ewww Experiment, or why you should wash your hands before dinner.

Elementary / Middle School

“Wash your hands, please.”

“But they’re not dirty!”

“Do it anyway!”

If you’ve ever had a conversation like this (or pity the parents who have), then you’ll want to check out this biology activity for elementary and middle-school students. It’s a quick, easy, and inexpensive way to show young learners what those invisible little organisms all around us can do. Just download our step-by-step guide to get started.

Download lesson

As always, if you have any questions about activities or anything else, just ask the Ward’s Science Plus Us team at sciencehelp@vwr.com. Our in-house scientists and technicians are ready to answer even the toughest inquiries.      

Previous Video
Don’t read this if your school already has enough money.
Don’t read this if your school already has enough money.

Science teachers: Did you know Ward’s Science offers complementary services to help educators win grants? W...

Next Video
Hank's Lab: The physics of projectiles
Hank's Lab: The physics of projectiles

Science teachers: Join Ward’s World’s favorite lab assistant, Hank, as he introduces high school students t...

×

Subscribe to get the latest content from Ward's World.

First Name
Last Name
Country
What Subject Do You Teach?
What grade do you teach?
Sign up for special offers and promotions
You're in! Thanks for subscribing.
Error - something went wrong!