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Innovating Science® - Separation of a Mixture: Physical Properties of Matter

Separation of a Mixture: Physical Properties of Matter

Product # IS1000

After a class discussion of matter and the fact that matter may differ from other matter in a variety of ways, students will examine three different solids individually and observe some differences in physical properties. Sand, iron filings and salt will be observed and tested using water and magnets. Based on what they find individually they will come up with a method (as a class or as groups) to separate a mixture of all three. The activity contains enough materials for 6 groups of students.

Aligned to the Next Generation Science Standards (NGSS)*

Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations: 5-PS1-1; 5-PS1-3; 5-PS1-4
Cross Cutting Concepts: Cause and Effect; Scale, Proportion and Quantity

Kit Includes:
50g Sand
50g Salt
50g Iron Filings
200g 3 Part Mixture in equal volumes
Plastic Cups

Developed for grades 3 - 5

Small parts. Not for children under 3 yrs.

DOT Info:

*"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 Respirable crystalline silica, which is known to the State of California to cause cancer. For more information go to

Safety Data Sheet

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