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You are here: Home / Free Printables / FREE Why Leaves Change Color — Fall Leaf Science Pack

FREE Why Leaves Change Color — Fall Leaf Science Pack

Curious kids always ask why leaves change color when the trees light up in reds, oranges, and yellows. This free fall leaf science pack from The Homeschool Scientist answers that question with a real chromatography-style experiment plus a 20-page printable activity pack—so you can teach photosynthesis and autumn pigments without buying a science curriculum.

Honest download note: The 20-page pack is free with an email opt-in on The Homeschool Scientist (ConvertKit-style request box on the lesson page). You join their list to get the files—not a paid product, and not a “fake free” tease.

Get the FREE why leaves change color pack →
https://thehomeschoolscientist.com/why-leaves-change-color/

Who It’s For

Homeschool families, co-ops, and classrooms looking for a frugal fall science day—especially elementary ages who can help gather leaves, predict pigments, and fill in a simple lab sheet (younger siblings can color and sort leaves while you supervise the adult-only solvent steps).

What’s Included

From The Homeschool Scientist lesson page (verified live):

  • Why leaves change color write-up — chlorophyll, carotenoids, anthocyanins, and how shorter days send trees into fall mode
  • Hands-on leaf chromatography experiment — tear leaves, soak, and watch pigments separate on coffee-filter strips (lab-style hypothesis + observation sheets in the pack)
  • 20-page free activity pack — informational pages, science activities, and activity worksheets that go with the lesson
  • Bonus review idea on-site: a Fall Leaves Mystery Caper after the printable (optional follow-up on their page)

Adult note from the publisher’s lesson: Parents/teachers should handle acetone (or equivalent solvent) outdoors with lids on—kids do the observing and recording, not the chemical handling.

How to Use It This Week

  1. Read + discuss why leaves change color (5–10 minutes at the table or under a tree).
  2. Gather leaves of different colors (or shades of green if it’s still early).
  3. Run the experiment with adult supervision, then fill the lab worksheet from the free pack.
  4. Finish with pack pages—labeling, write-ups, or review activities while filters dry.

No fancy lab gear required beyond jars/test tubes, coffee filters, tape, and leaves from your yard or a walk.

Get the free pack (email opt-in)

Download the FREE why leaves change color science pack →
https://thehomeschoolscientist.com/why-leaves-change-color/

Prefer a big map of free printables by subject? See the Ultimate FREE Homeschool Printables List (2026) or grab ready packs from Free Homeschool Instant Downloads.

Related leaf & fall science on FHD

New to piecing free resources into a real week? Light start: START HERE — Homeschool Help When You’re Overwhelmed.

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