Differentiation Modifications Tips Have a designated place in the classroom where students store their 4.1 Predictions and Planning Tool for Ethanol Burning so they can easily refer back to their ideas at the end of the lesson. Expect many students to make the right predictions for the wrong reasons. Note in particular whether they say that changes in the mass of the ethanol indicate that atoms are moving Extending the Learning Students may want to consider controls or other conditions (e.g., seeing what happens to mass and CO2 when the ethanol is not burning.)