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With the General, Organic and Biological Chemistry (GOB) Lab Kit on Beverage Density, determine the sugar content of beverages by creating a calibration curve using the density of five reference solutions.

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General, Organic and Biological Chemistry

Have you ever noticed it is easier to float in the ocean than in a swimming pool? This is because seawater has greater density than fresh water due to the presence of dissolved salt in the ocean. What factors determine the density of a solution? Can the density of a solution be used to determine how much of a particular substance is dissolved in it? Determine the sugar content of beverages by creating a calibration curve using the density of five reference solutions by comparing the results against provided values on nutrition labels.

Complete for 24 students working in pairs.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Planning and carrying out investigations
Analyzing and interpreting data
Using mathematics and computational thinking
Engaging in argument from evidence
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Patterns
Scale, proportion, and quantity

Performance Expectations

MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
HS-PS1-1. Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.