Explore Soil! by Kathleen M. Reilly

Author:Kathleen M. Reilly
Language: eng
Format: epub
Publisher: Nomad Press

4 Set the timer for another 30 seconds and wash your hands again. Check your hands again. Keep washing your hands for 30 seconds at a time until your hands are completely clean. How long does it take? Record what you see in your science journal.

TRY THIS! Ask your parents for permission before you do this! Put glitter on your hands and, before washing, open a door with a doorknob. Have a friend or family member open the same door, then look at their hands. Is there any glitter on their hands? What does this tell you about how germs spread?

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