St. Patrick's Day STEM Activity: Physical and Chemical Changes + Solutions

Your students have been asked to help a leprechaun restore his tarnished gold. In this STEM project students will use knowledge of physical and chemical changes plus solutions. This project contains criteria and constraints, allowing for open-ended design while exploring a specific standard. The materials list includes at least one item that doesn't work, so students can learn through trial and error.

Includes:

· Teacher guide

· Projectable (or printable) scenario page

· Student guide page

· STEM group job assignments

· STEM poster

· Discussion questions

· Reflection rubric

Materials Needed:

Teacher Materials:

• Camera (before/after comparison pix)

Student Materials:

• Tarnished pennies

• Paper towels

• Bowl

• Spoon

• Toothbrush

• Sponge

• Eraser

• Salt

• Sand

• Baking soda

• Rice

• Vinegar

• Ketchup

• Lemon juice

• Soda

Standards:

· NGSS 3-5-ETS1-1

· NGSS 3-5-ETS1-2

SC.5.P.8.2 Investigate and identify materials that will dissolve in water and those that will not and identify the conditions that will speed up or slow down the dissolving process.

Important Notes:

· This STEM project requires a variety of materials to keep it open ended. Please see the material list above.

· This file is not editable.

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