The three major classes of matter are elements, compounds and mixtures. The differences between these three classifications is the focus of this lab activity. Students will do three lab activities to help understand the differences between elements, compounds and mixtures. Kit contains enough materials for 15 groups. Teacher’s manual and Student Study Guide copymasters are included.
Aligned to the Next Generation Science Standards (NGSS)*
Disciplinary Core Ideas: PS1.A; PS1.B
Performance Expectations:MS-PS1-2; HS-PS1-3; HS-PS2-6
Cross Cutting Concepts: Patterns; Structure and Function; Influence of Engineering, Technology and Science on Society and the Natural World
Engineering Practices: Planning and Carrying Out Investigations; Analyzing and Interpreting Data
0.5mL Toluidine Blue, 0.5%
0.5mL Crystal Violet, 0.1%
0.5mL Safranin O, 0.25%
0.5mL Chromatographic Dye Mixture
400mL Ethanol, 95%
12.79g Copper Chloride EZ Prep makes 750mL 0.1M
15 Iron Metal Strips
15 Chromatography Paper Sheets
8 Capillary Tubes
UN1170, Ethanol, 3, II, Ltd Qty
UN2802, Copper chloride, 8, III, 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 Crystal Violet and Methanol/Methyl isobutyl ketone, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.