Innovating Science® - Equilibrium and Le Chatelier's Principle

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Manufacturer ID - IS2526

Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.

Safety Data Sheet

Students will investigate equilibrium and Le Chatelier's principle through four different experiments. They will apply various stresses to different chemical systems at equilibrium, then use their understanding of Le Chatelier's principle to explain their results. Kit contains enough material for 15 groups. Teacher's Guide and Student Study Guide Copymasters are included.

Aligned to the Next Generation Science Standards (NGSS)*

Disciplinary Core Ideas: PS1.B
Performance Expectations: MS-PS1-2; HS-PS1-6
Cross Cutting Concepts: Patterns; Stability and Change
Engineering Practices: Analyzing and Interpreting Data; Constructing Explanations and Designing Solutions

Kit Includes:
25mL Bromothymol blue
50mL Sodium hydroxide, 0.1M
25mL Hydrochloric acid, 0.1M
150mL Potassium thiocyanate solution
25mL Ferric nitrate solution
15g Potassium thiocyanate crystals
15g Sodium phosphate crystals
150mL Copper (II) sulfate solution
100mL Ammonium hydroxide, 1M
25mL Hydrochloric acid, 1M
50mL Methyl red

DOT Info:
Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only

*"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.
Brand Name
Innovating Science®
Performance Expectations 5-PS1-3
Cross Cutting Concepts Cause and Effect
Scale, Proportion, and Quantity
Engineering Practices Planning and Carrying Out Investigations
Box Used 12663SBOX
Width (in) 6.25
Height (in) 4
Weight (oz) 19.9
Weight (lb) 1.24
Country of Origin US
Harmonization Code 9023.00.0000
DOT Description Non regulated

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