Summary
A 3-D printer builds a solid object one thin layer at a time, melting plastic and stacking the layers until a real shape appears. A short Nat Geo Kids clip (2:30) you can drop straight into a lesson.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
A 3-D printer builds a solid object one thin layer at a time, melting plastic and stacking the layers until a real shape appears.
- In your own words, what was this clip mostly about?
- What did you learn about layer that you didn't know before?
- What's one question this makes you want to investigate further?
Quick work-a-long
Words to know: layer, melt, design.
Try it: Tell a partner what "How 3-D Printers Print" was about using these three words, then write down one new thing you learned and one thing you still wonder.