Is an Inchworm Actually an Inch Long? Lesson 123
Nat Theo Nature Lessons Rooted in the Bible
Eryn Lynum
4.8 • 616 Ratings
🗓️ 14 April 2026
⏱️ 25 minutes
🧾️ Download transcript
Summary
Why is an inchworm called an inchworm? Do these creeping “Earth Measurers” actually measure the planet? Discover God’s designs in fascinating inchworms—caterpillars designed to delight!
Here’s our trail map:
- Is an Inchworm a Worm or a Caterpillar?
- Why Do Inchworms Hang From Trees?
- Is an Inchworm Actually an Inch Long?
- How Does God Measure His Creation?
Download this lesson’s free coloring sheet: https://erynlynum.com/is-an-inchworm-a-worm-or-a-caterpillar/
Related Lessons to listen to next:
- Can Butterflies Remember Being Caterpillars? Lesson 10: https://player.captivate.fm/episode/ba9b3327-315d-453a-ae96-f13b9483d2db/
- How Do Spiders Make Webs? Episode 38: https://player.captivate.fm/episode/51a0e526-d77f-46bf-8dd6-364667633989/
Eryn's Books:
- The Nature of Rest: What the Bible and Creation Teach Us About Sabbath Living: https://www.amazon.com/Nature-Rest-Creation-Sabbath-Living/dp/0825448891
- Rooted in Wonder: Nurturing Your Family's Faith Through God's Creation: https://www.amazon.com/Rooted-Wonder-Nurturing-Familys-Creation/dp/0825447615
- 936 Pennies: Discovering the Joy of Intentional Parenting: https://www.amazon.com/936-Pennies-Discovering-Intentional-Parenting/dp/0764219782
Episode Links:
- Try CTCMath for free and with a 12-month money back guarantee: https://ctcmath.com/
- Bugs: Big & Small, God Made Them All: https://www.masterbooks.com/bugs
- Explore books, curriculum, and resources by Master Books: https://www.masterbooks.com/
- Nat Theo Club Bonus Video: https://erynlynum.com/member
- Get full lesson guides in the Nat Theo Club: https://erynlynum.com/club
- Free Inchworm Coloring Sheet: https://erynlynum.com/is-an-inchworm-a-worm-or-a-caterpillar/
- Ask your nature question: https://erynlynum.com/ask
Scriptures Referenced in This Episode:
“Who has measured the oceans in the palm of his hand?
Who has used his hand to measure the sky?
Who has used a bowl to measure all the dust of the earth
and scales to weigh the mountains and hills?” Isaiah 40:12 (NCV)
“Where were you when I made the earth’s foundation?
Tell me, if you understand.
Who marked off how big it should be? Surely you know!
Who stretched a ruler across it?” Job 38:4-5 (NCV)
“God even knows how many hairs are on your head.” Matthew 10:30 (NCV)
“And may you have the power to understand, as all God’s people should, how wide, how long, how high, and how deep his love is. May you experience the love of Christ, though it is too great to understand fully. Then you will be made complete with all the fullness of life and power that comes from God.” Ephesians 3:18-19 (NLT)
Terms Learned in This Episode:
- Geometridae: A family of over 23,000 moths whose larvae are often called “inchworms.”
- Inchworm: Caterpillars (larvae) of geometer moths known for getting around by inching along.
- Caterpillar True Legs: A set of six legs on a caterpillar's thorax that have claws and become the true legs of the adult moth.
- Caterpillar Prolegs: Unsegmented stubs that help a caterpillar move along. They are not true legs, and they are absorbed during metamorphosis.
- Spinneret: A small tube-shaped organ on or near the bottom of a caterpillar’s mouth that releases liquid proteins, which quickly hardens into a silky thread.
This podcast episode contains paid advertisements.
Mentioned in this episode:
Magnify: A Wild & Wonderful Summer Adventure by Nat Theo
Join us for summer Bible & nature study! https://thenaturaltheologyproject.com/magnify
Transcript
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| 0:00.0 | Hello world, wake me up to another good good morning time to go. |
| 0:07.5 | Are you ready to explore God's wild and wonderful world? |
| 0:12.5 | Welcome to the Nat Theo podcast. |
| 0:15.3 | I'm your host, Aaron Linum. |
| 0:17.1 | I'm a certified master naturalist, Bible teacher, and author, and I am so excited to dive into |
| 0:23.9 | God's written word, the Bible, and his created world with you. |
| 0:28.2 | Have you ever seen a small worm-like creature inching itself across a stick? |
| 0:47.3 | Or perhaps dangling from a tree branch using a thin thread of silk that's almost invisible. |
| 0:55.2 | These creatures, often called inchworms, are very fun to find in the wild. |
| 1:01.1 | And today we are exploring God's magnificent designs in these insects. |
| 1:06.6 | Here is our trail map. |
| 1:09.6 | Are you ready? |
| 1:11.6 | We are going to learn. |
| 1:13.7 | Is an inchworm a worm or a caterpillar? |
| 1:16.9 | Why do inchworms hang from trees? |
| 1:19.6 | Is an inchworm actually an inch long? |
| 1:23.2 | And how does God measure his creation? |
| 1:26.5 | Before we hit the trail, let's thank our sponsors who help make this lesson possible, |
| 1:31.1 | including CTC Math. |
| 1:33.9 | CTC Math has blessed our family in a big way, |
| 1:37.3 | as our kids have stepped out of math frustrations and come to a new understanding of |
| 1:43.2 | and appreciation for math. We love that the lessons are simple, |
... |
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