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*Safety Check-In: The activities in this curriculum are intended for family-style use under direct adult supervision. Because every family’s home environment and children are unique, please use your best judgment to ensure a safe experience. Always verify materials—such as plants, food items, or chemicals—for safety and allergies before use, and keep heat sources, tools, and small parts under close adult watch. You know your children best; please adapt these activities as needed to ensure they are age-appropriate and safe for your specific family.
Ignite your student’s curiosity for chemistry with this high-energy, “magical” science lesson plan centered on the vibrant phenomenon of rainbow fire. Designed to transform abstract concepts into a dazzling visual experience, this unit bridges the gap between observation and core scientific principles by using the flame test to bring the Periodic Table to life. Students will move beyond simple memorization as they explore how specific metal salts produce distinct colors based on their unique atomic structures, atomic numbers, and atomic mass. By distinguishing between pure elements and the molecular compounds created when these substances are introduced to heat, learners will gain a foundational understanding of how matter behaves at the atomic level. Perfect as a chemistry curriculum supplement, a STEM unit study, or an engaging introduction to chemical science, this lesson makes the invisible world of atoms and elements both memorable and visually breathtaking.
Full Lesson Plans
Elements of the Rainbow Fire Experiment
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An activity-based learning extension exploring:
- atoms; atomic numbers & atomic mass
- molecules: compound & elemental
- elements & the periodic table
- tie-ins to the activity
Click here to see what’s included and how family-style learning works with our lessons.
What’s Included
Our curriculum is designed to foster genuine critical thinking through intentional lesson layout: a foundational introduction to core concepts, hands-on activities and play-based learning that puts ideas into practice, and a reflective discussion to synthesize the learning. Depending on the subject, features may include:
- direct connections to the featured activities
- new information & concepts
- visual charts
- practice pages with answer keys
- observation and design pages
- naturally integrated vocabulary
- warm and memorable images
- scaffolded learning
- connections to living books & stories
- higher-order discussion questions
- immersive and play-based learning experiences
- social studies units often include positive affirmations combined with play-based bilateral stimulation
Family Style Learning
Our activities are intentionally designed to grow with your family. Lessons are designed for elementary and middle school students, but toddlers and preschoolers thrive using the exact same setups, learning through play. Because learning goals develop in complexity over time, you get more bang for your buck—utilizing the exact same supplies across all ages and through many years.
How activities are used by age:
- Infancy & Toddlerhood: Focuses on hands-on sensory and play-based exploration (touching, feeling, experiencing).
- Preschool & Pre-K: Develops language, basic concepts, and descriptive vocabulary using the same activities.
- Elementary & Beyond: Expands play and sensory based activities into formal lessons with deep conceptual understanding.
Through direct sensory experience, younger children will naturally absorb basic vocabulary and be exposed to advanced language and learning alongside their older siblings.
Materials & How To
Click here for materials & setup directions.
Materials:
- firewood
- rainbow fire packet
How To:
Observe The Packet: Feel the UNOPENED packet to observe characteristics.
Observe & Enjoy the Fire: Enjoy the fire and note any observations of the packet when exposed to heat.
Find our full lesson plans above for more guidance and depth of learning.
Additional Learning Resources
Click here for additional resources, activities, & lessons.
More Lessons & Activities
- Full Lesson Plans: Browse our available full homeschool lesson plans in every collection.
- Camping & Fire: Explore related themed activities here.
- May Themes: Discover our May page for more activities in this collection.
- Themed Learning Extras: immerse yourself in our curated resources through music & meditations, read alouds & picture books, movie night picks, and additional free curriculum.
- The Year Ahead: Visit our Monthly Collections to get ready for upcoming learning.
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