de Questions: 1. What happens to the pencil when you look at it from the top of the glass? 2. What happens to the pencil when you look at it from the side of the glass? 3. What is the difference when you look at the pencil from the top and from the side of the glass? 4. Is there a difference between the way it looks inside the glass of water and outside the glass of water? 5. What does this say about light when it passes through different materials or sets of medium?​