
One day, Marie was wandering through the park. It was a wet day, and she had a big yellow umbrella to keep her dry. Then, Marie saw a puddle of oil on the ground. She didn't know what it was, and asked her mom what it was. 
“That’s oil, sweetie,” mom said.
Marie was curious. She had never seen oil before, so she wandered closer to the puddle. She got so close, her bright pink shoes got wet.
“Mom, my shoes are wet!”
“Maybe it’s time to go home, Marie,” mom said.
So, Marie and her mom went home. She remembered the wet oil she saw, and wanted to learn more about it. She would have to wander back to the park when it wasn’t raining.
