Can You See?

18 Can You See? Leah learned something cool at school. She learned how to write something that no one can see! First, she added lemon juice to water. Then, she wrote something on a piece of paper with the water. When it driedno one could see what she wrote. At home, she showed the paper to her mother. Her mother couldn't see anything on the paper. “ Wait, " said Leah. “ Hold the paper close to the light. " Her mother smiled. Now she could read what Leah wrote. “ I love you! ”

No one can see what I'm writing.