| Teacher: | Come and look if you want. |
| Student3: | Whoa, it's really shorter. |
| Teacher: | It's really shorter -- can you show people by how much? Do it like this, on the outside. |
| Student3: | It's about... |
| Teacher: | It goes up to where? You have to come around the back so people can see, |
| Teacher: | they can't see through you. |
| Student3: | It's about... this. |
| Teacher: | Isn't that amazing? That's what you're going to figure out today. |
| Teacher: | _____'s question -- we're not going to answer it yet, |
| Teacher: | we're going to do more experiments. |
| Teacher: | _____, your question again? |
| Student4: | Why weren't they equal? |
| Student4: | Why weren't they equal? |
| Teacher: | Why weren't they equal... Wow. |