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.