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How Popcorn Pops: The Science Behind the Snack
Popcorn is a delicious snack, but Kamri Noel wants to know what makes it pop. ➡ Subscribe for more National Geographic Kids videos: http://bit.ly/SubscribeToNatGeoKids ➡ Check out our playlist: http://bit.ly/WatchMoreHowThingsWork ➡ Visit our website: http://bit.ly/NGKidsHTW About How Things Work: Kamri Noel does more than just Google how things work—she gets some of the world’s most knowledgeable experts from National Geographic to explain. Check out our other fun series!: Cool Science Experi
How it works
- Press play to start the video.
- Videos 5 minutes or longer pause once or twice for a quick check. Get it right and you're on your way. If not, you'll see a friendly explanation and the video simply keeps going. Short videos skip the checks.
- At the end there's a 2-question test. Score 60% or more to complete the lesson, and 80% or more to master it. You can always watch again and try for a higher score.