Germ Highway and Roadblocks

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Use Explore mode to select a numbered marker and learn more. Use Quiz mode to practice finding each idea in the illustration.

1. Open Cough Route — Droplets from an uncovered cough can carry germs through the air and onto nearby surfaces.
2. Hand-to-Face Route — Hands can move germs from a surface to the eyes, nose, or mouth.
3. Shared Toy Route — Shared items can pick up germs from one hand and carry them to another.
4. Busy Doorknob Route — Many hands touch doorknobs, so germs can collect even when the knob looks clean.
5. Desk and Crayon Route — Hands, desks, and shared supplies can form a chain that moves germs.
6. Snack Route — Germs on hands can reach food and then the mouth.
7. Tissue Roadblock — A tissue catches droplets; throwing it away keeps those droplets off hands and tables.
8. Elbow Roadblock — An elbow cover blocks many droplets and keeps them off the hands.
9. Soap-and-Water Roadblock — Soap and running water remove germs from all parts of the hands.
10. Clean-Surface Roadblock — Cleaning shared surfaces is a community health practice that reduces germ routes.

Teachers and editors can open calibration mode to drag markers and copy updated coordinates.