What is density? This concept can be difficult to explain to your elementary students. Help them visualize and understand density and introduce the idea of polarity as well with this demonstration for the whole classroom.
Aligned to the Next Generation Science Standards (NGSS)*
Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations: 2-PS1-1; 5-PS1-1; 5-PS1-3; 5-PS1-4
Cross Cutting Concepts: Patterns; Cause and Effect; Scale, Proportion and Quantity
5 Plastic Bottles
1L Vegetable Oil
25mL Food Coloring
10 Alka Seltzer Tablets
Developed for grades 2 – 5
WARNING: CHOKING HAZARD
Small parts. Not for children under 3 yrs.
*”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 Acetyl Salicylic Acid/Aspirin, which is known to the State of California to cause reproductive harm. For more information go to http://www.P65Warnings.ca.gov.