Lesson Steps:

Question: Define Density
Answer: Density is how much fits into space. In scientific terms mass over volume.
Steps: Use lookup in dictionary

Answer:

The regular drink contains sugar as a sweetener. The difference in the amount of dissolved sweeteners leads to a difference in density. This will cause one can to float and the other to sink. A larger pocket of air in the diet drink will decrease the density of the can causing it to float

Grade: 7
Level: Middle school
Subject: Science
Topic: Developing a hypothesis