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Mark Rober

Former NASA engineer, YouTube science communicator, and founder of CrunchLabs, where he creates hands-on STEM learning experiences designed to help people think like engineers.

Science Lessons Should Start With Questions, Not Answers

Former NASA engineer and YouTuber Mark Rober argues that science instruction should begin with a phenomenon that makes students want an explanation, rather than with equations or definitions they are asked to memorize. His proposed free Class CrunchLabs curriculum for grades three through eight uses videos to create that initial question, hands-on activities to investigate it, and teachers to guide the learning. Rober’s case is that spectacle can earn attention, but inquiry and teacher-led discussion must turn it into understanding.

TEDSep 6, 20269 min read

Science Lessons Should Start With a Phenomenon, Not a Formula

Former NASA engineer and YouTube creator Mark Rober argues that science instruction should begin with a phenomenon students want to explain, rather than with formulas or vocabulary they are asked to absorb. His free Class CrunchLabs curriculum for grades three through eight uses short videos and low-cost experiments to prompt investigation, with teachers leading the discussion and sense-making. Rober’s claim is not that screens can replace teaching, but that a stronger initial hook can help teachers overcome what he sees as a motivation gap.

TEDJul 29, 202613 min read

$60 Million Free Curriculum Bets Science Learning Starts With Spectacle

In a TED talk, former NASA engineer and science YouTuber Mark Rober argues that science education should win students’ attention before introducing abstraction. He is putting $60 million into Class CrunchLabs, a free grades 3–8 curriculum built around high-production videos, teacher materials, training and hands-on classroom demonstrations. Rober says the aim is not to replace teachers, but to give them resources that make students care first and learn the formal concepts afterward.

TEDMay 27, 20266 min read