Hydrophobic vs. Hydrophilic Lab Stations Activity

Hydrophobic vs. Hydrophilic Lab Stations Activity
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2 MB|27 pages
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About SNAPs Lab Stations Activities
SNAPs Lab Stations Activities require students to use science, math, literacy, problem-solving and engineering skills. They are designed to enhance students' understanding of scientific concepts and help students apply scientific ideas to the real world. Each station activity promotes skills so to develop students into proficient and competent scientific thinkers.

SNAPs lab activities have five components:
Science Skills Station to develop science skill proficiency
Narrative Station to build science literacy
Assessment Station to evaluate learning and understanding
Problem-Solving Station to foster engineering design
Synthesis/Summary Project to inspire higher-order learning

A description of the activities at each station in this particular lab is detailed below.

Next Generation Science Standards
This laboratory does not address a specific Next Generation Science Standard, but it complements concepts related to other NGSS. This lab combines the three dimensions of science learning - science and engineering practices, disciplinary core ideas and crosscutting concepts. This laboratory also makes interdisciplinary connections to STEM, Math CCSS and ELA CCSS to build the appropriate skills.

Hydrophobic vs. Hydrophilic Stations Activity Learning Objectives
1. Discuss water as an important and common solvent.
2. Compare hydrophobic and hydrophilic substances.
3. Explain why polar substances and salts dissolve in water but nonpolar substances do not.
4. Demonstrate and evaluate the use of emulsifiers.

Science Skills Station
Students will study hydrophobic and hydrophilic substances at this station. They will determine whether common substances are hydrophobic or hydrophilic and make predictions about the chemical makeup of the substances.

Narrative Station
Students will read an informative text about water as a solvent. They will read about how we classify substances that dissolve or mix with water and others that do not. Students will also read about how polarity impacts the ability of a substance to mix or not mix with water.

Assessment Station
At this station, students will answer questions about key terms and ideas relating to hydrophobic and hydrophilic. Students will have to employ lower, mid and higher order thinking skills to answer these questions.

Problem-Solving Station
Students will model how engineers make a hydrophobic substance mix with water. They will model the use of soap and egg yolks as emulsifiers to make water and oil mix together. Students will evaluate how these emulsifiers are used in a variety of mixtures. They will also study how engineers try to make more efficient emulsifiers.

Synthesis/Summary Project
Students will have a choice of 11 projects. Suggestions for projects that are best suited for this particular lab are included. It is up to the teacher to control this portion of the lab, and thus, the higher-order skills utilized in this activity. Refer to the SNAPs Lab Stations Best Practices and Setup Guide for directions and suggestions on how to conduct the project.

This download includes:
• A pre-lab assignment and post-lab reflection
• Directions and questions for each lab station
• Student recording sheets
• Teacher Key

Additional Materials Required:
Rubbing Alcohol
Vegetable Oli
Corn Syrup
Egg (1 per group)
Dish soap
8 250 mL-beakers or clear plastic cups
2 100 mL Graduated Cylinder
Tablespoon measuring device
2 Stirring rods
1 small bowl
1 Spoon
1 Computer or tablet

Be sure to check out:
• The FREE SNAPs Lab Stations Best Practices and Setup Guide to learn more about my labs
• A FREE SNAPs Lab to learn more about my lab station activities
• All my Earth, Life, Physical or Nature of Science Lab Station Activities
Earth Science, Life Science, Physical Science or Nature of Science PPs, Notes & Exams
Earth Science, Life Science, Physical Science or Nature of Science INB Units
Earth Science, Life Science, Physical Science or Nature of Science Tiered Task Cards

Purchasing Options to Save you $$$:
• Save 35% with the Earth, Life or Physical Science Lab Bundle
• Save 40% with the Integrated Science Lab Bundle
• Save 45% with the Earth, Life or Physical Science Complete Curriculum
• Save 50% with the Integrated Science Complete Curriculum
Total Pages
27 pages
Answer Key
Teaching Duration
1 hour
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