Lesson 2: Exploring Chemistry and Earth Science with the National Geographic STEM Science Kit
This all-in-one science kit combines crystal growing, volcano reactions, and gem digs to teach real-world chemistry and geology in a fun, hands-on way.
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National Geographic STEM Science Kit
Includes over 15 guided experiments—grow crystals, erupt volcanoes, and dig up gemstones—all in one powerful STEM starter pack for homeschool families.
View on Amazon(Print-ready homeschool version — add notes, checklists, and progress tracking.)
Learning Objectives
- Understand basic chemical reactions (volcano eruption and crystal formation).
- Observe and record changes in matter during experiments.
- Explore how heat, saturation, and minerals affect crystal growth.
- Learn to follow procedures, collect data, and reflect on results.
Preparation & Setup
- Read through the included experiment guide to choose 2–3 projects for your lesson.
- Set up a clean, flat surface (tray or old newspaper) for each experiment.
- Have a timer, measuring cup, notebook, and phone camera ready.
- Discuss the concept of a “scientific variable” — what changes, what stays the same.
Activity: Volcano Eruption & Crystal Growth
- Intro Discussion: Ask your child what happens when baking soda meets vinegar. Show how this simple reaction models real chemical processes.
- Volcano Eruption: Build the volcano using the kit materials. Add vinegar and baking soda while observing bubbles and gas formation. Record your observations.
- Crystal Growth: Mix the crystal solution as directed. Pour into the provided dish and set it in a safe place to grow over several days. Record daily changes.
- Gem Dig: While waiting for crystals, dig up gemstones from the included block. Match each to the identification sheet.
- Wrap-Up: Compare your predictions to what actually happened. Why did crystals grow slowly while the volcano erupted quickly?
Reflection Questions
- What did you notice about how crystals formed over time?
- Why does mixing vinegar and baking soda cause fizzing?
- What could you change to make crystals grow larger or faster?
- How are real volcanoes similar or different from our experiment?
Extensions & Cross-Subject Links
- Math: Graph crystal growth height over several days.
- Language Arts: Write a “lab report” in complete sentences using key vocabulary.
- Geography: Locate volcanoes and mineral-rich regions on a world map.
- Art: Create a time-lapse collage of the growing crystals.
Parent & Teacher Tips
- Always supervise reactions — the fizzing and heat can surprise younger learners!
- Have students make hypotheses before each experiment: “What do you think will happen?”
- Use a magnifying glass to explore texture differences between crystals and rocks.
- Encourage patience: science takes time and observation is part of the discovery process.
Wrap-Up
This kit is one of the best all-around introductions to chemistry and geology. Kids experience chemical reactions, crystal growth, and excavation all in one set — perfect for multi-day homeschool lessons or STEM club rotations.
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