Summary
Wanna know your speed? Whether it’s helping us forecast the weather or telling us the speed of a major-league fastball, radar is a pretty useful device! In this BrainPOP movie, Tim and Moby explain exactly how it works! You’ll learn about the four main parts of a radar system, and how they all work together to find out location, speed, and direction. You’ll also find out the difference between pulse radar and old-fashioned continuous-wave radar, as well as what, exactly, the Doppler shift is. Move into the fast lane and click on this movie to learn more!
Viewer safety
Ages 7+
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Teaching resources
Discussion questions
A few questions to talk through after watching Radar:
- What is one new thing you learned about radar?
- Can you explain it to a partner in your own words?
- Where might you see this in the real world?
- What is one question you still have?
Quick work-a-long
Try it:
- Write one sentence explaining radar.
- Draw or give one example of your own.


