Teach Chemistry - Lessons, Projects, and Activities for K-12 Educators

Discover Chemistry Lessons for Your K-12 Classroom
What are you teaching this week? Next week? Next month?
When do you teach chemistry? What topics do you cover to meet your curriculum needs? Mixtures and solutions? Chemical reactions? Enzymes? Substrates? Replacement? Catalysts? Polymerization? Green chemistry?
We know educators spend a lot of time searching for quality lessons to fit their curriculum needs each year. You want quality materials that align with your class objectives, materials that are easy to use, thoughtfully designed and prepared, and help bring concepts to life with hands-on experiments and activities that really work.
Science Buddies offers quality resources for K-12 STEM education for free!
To make it easy to find free STEM lessons and activities that fit your classroom needs, we've created a series of posts that highlight lessons, activities, and experiments that are hand-picked for educators who will be teaching specific subjects.
Teaching Chemistry
Our STEM resource collections for teaching K-12 chemistry are listed below:
Teaching Science Curriculum — Chemistry
The following curated collections to support teaching K-12 chemistry are available:
- Chemical Reactions: More than 20 video lessons, lesson plans, activities, and experiments for exploring what happens when you combine reactants.
- Mixtures and Solutions: Not all substances form a chemical reaction when combined. Some form a mixture. Resources in this collection help students learn about homogeneous and heterogeneous mixtures.
- Paper Chromatography: Lessons, activities, and videos to introduce and explore paper chromatography.
- Fizzing and Foaming Activities: These activities all feature a chemical or physical reaction that results in foaming, fizzing, or bubbling.
Additional K-12 Chemistry Resources and Student Science Projects
- National Chemistry Week 2025 - The Hidden Life of Spices
- National Chemistry Week 2024 - Photochemistry
- Advanced Materials and "Lab to Table" Sustainability Science Projects
- National Chemistry Week 2023 - Health Science and Chemistry
- Green Chemistry and the School Science Lab - Safer Chemistry for Today and Tomorrow
- New Green Chemistry Science Projects—Sustainable Science for Students
- How to Make Solutions for Chemistry and Biology Experiments
- How to Make Dilutions and Serial Dilutions
STEM Education Materials You Can Trust
With more than 200 NGSS-aligned Lesson Plans and more than 450 STEM Activities that are perfect for classroom use, we have engaging, high-interest, scientist-authored learning materials in a wide range of topic areas and for all grade levels.
Our extensive library of resources for STEM education makes us a trusted, go-to resource for educators around the world.
To view all available curated collections that map to topics you may teach in your classroom, see Curated STEM Resources for Teaching Science Curriculum.
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