Storyclover
Storyclover
On a bright Saturday morning, Leo tightened a loose wheel on his little red wagon. Dark, oily dirt covered his hands.
Why Does Soap Make Dirt Let Go?Soap molecules grab oily dirt on one side and water on the other, so rinsing can carry the dirt away.
1. On a bright Saturday morning, Leo tightened a loose wheel on his little red wagon. Dark, oily dirt covered his hands.
2. At the kitchen sink, he held his hands under the water. The dark smudges stayed put, and the water made shiny beads on top.
3. Leo picked up a pale turquoise bar of soap and rubbed it between his wet hands. White bubbles gathered in the creases.
4. Soap is made of tiny molecules. One end likes oil and clings to oily dirt; the other likes water and reaches toward it.
5. Back at the sink, Leo rubbed his hands together. The soap's oil-loving ends caught the oily dirt and tucked it into tiny soapy bubbles.
6. Now the water met the soap's water-loving ends. The rinse carried the bubbles and trapped dirt toward the drain.
7. Leo lifted the apples with clean hands. Soap molecules grab oily dirt on one side and water on the other, so rinsing can carry the dirt away.
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