Savannah learns why it is important to choose words carefully and how to say sorry after you hurt someone's feelings. Harry tells Savannah that she should always pick her words carefully because words have power. She realizes that she has to be more careful about what she says if she doesn't want to hurt people's feelings.
Bill shows how units of length, such as a meter, can be used to measure the mass of an object. He mentions a few unit conversions, most notably that a liter of water is equivalent to a kilogram and stresses that only three-tenths of a meter and water are needed to measure an object's mass.