Several liquids of varying color are added to a cylinder. Due to differing densities of the liquids, a density gradient is formed resulting in a layered, multi-colored column. As an optional investigation, the relative density of small solid objects may be compared by dropping them in the density column.
Aligned to the Next Generation Science Standards (NGSS)*
Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations: MS-PS1-2
Cross Cutting Concepts: Patterns
Engineering Practices: Analyzing and Interpreting Data
450mL Glucose Syrup
400mL Liquid Detergent
400mL Vegetable Oil
400mL Ethyl Alcohol
25mL Blue Food Coloring
25mL Red Food Coloring
5 Plastic Cups
UN1170, Ethanol, 3, II, Ltd Qty
* Next Generation Science Standards is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.
WARNING: This product can expose you to chemicals including Methanol, which is known to the State of California to cause reproductive harm. For more information go to http://www.P65Warnings.ca.gov.