Chemical Change STEM Lab NGSS Middle School Experiment MS-PS1-2 MS-ETS1-1
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Description
This FUN and ENGAGING NGSS middle school STEM lab investigation challenges students to design their own experiment and gather evidence to prevent pennies from going through a chemical reaction and can be used to meet the Next Generation Science Standards Performance Expectation MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
In this 2-3 day inquiry-based and engineering lesson, students design an experiment and test coatings to determine which would prevent the corrosion of shiny, new pennies the best! You can provide more or less scaffolding depending on how well your students can design their own experiment! It should be taught after learning the differences between physical and chemical changes/reactions.
Lesson Overview. Students:
- observe and analyze 3 pennies at various stages of corrosion
- develop a plan to prevent the corrosion of pennies given a limited number of materials (engineering and design)
- design and carry out their experiment
- collect data on their coatings
- determine which worked the best and why
- participate in discussion
- answer conclusion questions and reflect
Materials Per Group:
1 petri dish
1 strip of clay (for holding the pennies)
4 shiny pennies (preferable of the same year)
20 mL white vinegar (acidic environment)
1 bottle clear nail polish
1 container of petroleum jelly
1 bottle of white out
3 cotton swabs
Newspaper for desks
Paper towels for clean up
Sticky notes for penny identification
Ideas for discussion are also provided. In the conclusions, students are asked to reflect on the experiment as to what worked, what didn't, what they would revise, why they used a "control penny" and the costs and benefits to each of their coats to relate it to the real engineering process! My students loved this lab! It's a great introductory lesson on how to write and design an experiment as well!
It aligns with the following NGSS Next Generation Science Standards:
MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-ETS1-1. Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.
MS-ETS1-4. Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.
Looking for assessments for MS-PS1 standards?
MS-PS1-1 Atoms & Molecules Assessment Questions
MS-PS1-2 Chemical Reactions Assessment Questions
MS-PS1-3 Synthetic/Natural Resources Assessment Questions
MS-PS1-4 Modeling Adding/Removing Heat Assessment Questions
MS-LS1-5 Conservation of Mass Assessment Questions
If you want ALL of the MS-LS1 Matter and Its Interactions Assessments Questions, click here! MS-PS1 Assessment Questions (Includes ideas for design challenge MS-LS1-6) Check back for more NGSS Assessments for Physical, Life, and Earth Sciences!
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Interested in other NGSS aligned physical science products? Check out the links below:
Molecules and Compounds Activities
Modeling Molecules with Fasteners
Synthetic and Natural Resources STEM Project
Magnetic Fields and Eating Nails For Breakfast Lab
Modeling Particle Motion, State, and Temperature Lab
Physical and Chemical Changes Minilabs
Dry Ice Demonstration on Sublimation
Potential and Kinetic Energy Worksheet
Rutherford's Discovery of the Nucleus Lab (FREE)
Modeling Analog and Digital Signals Unit
Introduction to Waves Activity
Modeling Reflection of Light Lab
Electromagnetic Spectrum Activity
NGSS Unit Template for Planning (Example Included)
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