Magic Milk Molecules Science and STEM | | Saint Patricks Day Rainbow Unit Gr 4 5

Using simple kitchen supplies, create a memorable experience exploring surface tension and molecular movement. A complete teacher guide, student investigation, and a chemistry STEM challenge are included. The swirling rainbow of colors makes it an engaging Saint Patrick's Day experiment.

Included in the Hands-On Investigation and Teacher Guide:

• Correlation to the *Next Generation Science Standards

1. 5th Grade Structure and Properties of Matter
2. Science and Engineering Practices Third-Fifth Grade

• Background Information and Teacher Tips.
• 6-page Experiment Journal with 2 Differentiated Conclusion Pages
• Exploring Further STEM Activity
• Answer Key
• Rubric

Students will follow the scientific method to discover how the amount of fat in milk affects the swirling of colors. Students will record observations and data to use as evidence to explore the causes and effects of soap on surface tension. They will create their own liquid solution in a further exploration STEM challenge. This is a fun and memorable way to discover fat-in-water emulsions and water-in-fat emulsions. By the end of the activity, students will be able to answer the question:

Does the amount of fat in milk affect the amount of swirling colors?

Teachers will like its’ ease of use and watching the students get excited about science. Teachers find the age-appropriate journal helpful in teaching higher-order thinking skills and learning to observe and record data. The background information helps the teacher be prepared for any questions. It is always nice to have a complete unit from start to finish.

Simple Supplies Needed. whole milk, 2% milk, fat-free milk, dish soap, dessert plates, cotton swabs, food coloring, stopwatch, other kinds of milk, and various liquids like oil for further exploration.

This investigation is part of a series. This is the 4th/5th/6th-grade investigation. Please click each grade level version below to see more details. We hope your students have a wonderful experience discovering magic milk.

• Magic Milk Color Science Experiment | St Patricks Day Rainbow Activity Grade K 1
• Surface Tension Science | Magic Milk Saint Patricks Day Activity Grade 4 5 6
• Physical Changes Magic Milk Lab | Food Science Experiment | Bundle

Great for the classroom, STEM and science lab special teachers, science fairs, STEM Fairs, science clubs, scout groups, centers, homeschoolers, and anyone wanting to explore food science.

We prefer printing the journal, but digital versions can be helpful. The unit is a PDF but includes access to an Easel by TPT overlay. This allows you to easily project on the board for whole-class learning. Click “Open in Easel” on the product page to get started.

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Yours in Science,

Kimberly Scott

All parts are copyrighted. Please see the terms of use in the download. Please use good lab practices. The seller is not responsible for the use or misuse of the activities.