A free educational resource about the science of car crashes for students in grades 5-12.

This new lesson is perfect to try at home!

Watch a fun video from an IIHS engineer

Try another new lesson using household materials.

Watch a video tour of the site.

COVID-19 update for parents

Parents can access free teacher resources by registering and logging on to the site.

Click on the “Teachers” tab available under the Understanding Car Crashes videos or Lessons to view step-by-step instructions on how to best use the content.

Materials include lesson plans, guiding questions, teacher tip videos and more.

Understanding Car Crashes

Join Dr. Griff Jones at the IIHS Vehicle Research Center for crash tests and engaging demonstrations as he explains the science behind car crashes.

Understanding Car Crashes:
It's Basic Physics

Discover how the laws of physics apply to crash tests and help engineers design safer cars to protect occupants in a crash.

Understanding Car Crashes:
When Physics Meets Biology

Explore what happens to the human body in a crash and the scientific principles doctors and engineers use to reduce injuries.


Explore crash science and engineering with these video-assisted, hands-on lessons.   

More Engagement Videos

Further engage your STEM skills with these videos.

Additional Highway Safety Topics

Enhance your crash safety knowledge by exploring these other highway safety topics.

"Keep up the good work, and thank you for all of the real-life data and lessons!"
Dani StroudGilbert High School
It is wonderful to see the IIHS’s good work presented digitally in an engaging, scientifically fun way.”
Fran Penner-RayTraffic Education Director, Montana Office of Public Instruction
“Also a great resource for science-focused summer camps.”
Kim Freudenberg, M.Ed. Physics teacher
"The videos throughout are so well done and short enough to hold anyone’s attention.”
Vicki Moorehead, M.Ed.5th/6th Grade Science & STEM STREAM Coordinator
"Pulls you into the science with great content chunking and videography working together."
Derek StewartOnline Instructor, Florida Virtual School
"The website is clean, clear and inviting with thorough, engaging, and informative videos and lessons."
Dawn SettleMiddle school gifted teacher
“I can easily adapt the material to fit our online platform. It is so high quality!”
Kathy Biernat8th grade science
“A new teacher would really cherish the teacher-tips videos to help guide their thinking.”
David Dahari, M.Ed.High school physics teacher
"The coverage is fascinating, and most importantly, the physics is correct. It's a first-rate teaching package. I give it five stars!"
Paul G. HewittAuthor of "Conceptual Physics, 12th edition"
“The videos are outstanding--some of the best I've ever used in my physics classes in my 35 years of teaching.”
Paul RobinsonHigh school physics teacher and author of Conceptual Physics Lab Manual, 12th edition
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