Join Jill and Liz as they answer the questions “Why do I lift out of my seat on a roller coaster?” and “How do animals stay up when they sleep?” We also have a fact about  hippos and an amazing book recommendation you are sure to love! To submit your own question, go to KDL.org/Stump. We can’t wait to hear from you!   
 
Regarding Roller Coasters... 
 
https://coasterforce.com/physics/ 
https://physicsworld.com/a/twists-turns-thrills-and-spills-the-physics-of-rollercoasters/ 
https://www.teachengineering.org/lessons/view/duk_rollercoaster_music_less 
https://science.howstuffworks.com/engineering/structural/roller-coaster5.htm 
https://www.wonderopolis.org/wonder/how-do-roller-coasters-work 
The Thrills and Chills of Amusement Parks by Jordan D. Brown: https://kdl.bibliocommons.com/v2/record/S174C263372 
Can You Feel the Force? by Richard Hammond: https://kdl.bibliocommons.com/v2/record/S174C417708 
 
Regarding Sleep... 
https://www.bbcearth.com/news/the-extraordinary-ways-that-animals-sleep 
https://sleepopolis.com/education/sleep-habits-of-the-animal-kingdom-infographic/ 
https://school.eb.com/levels/high/article/Do-Animals-Dream/646172#main-ada 
https://youtu.be/muKuRQ8YnvE?si=PnrPSahqII06QCKR 
https://en.wikipedia.org/wiki/Sleep_in_animals 
https://en.wikipedia.org/wiki/Stay_apparatus 
Sleepy- Suprising ways animals snooze https://kdl.bibliocommons.com/v2/record/S174C1008378 
The Magic of Sleep https://kdl.bibliocommons.com/v2/record/S174C823619 
Snooze-o-rama https://kdl.bibliocommons.com/v2/record/S174C804141 
https://en.wikipedia.org/wiki/Stay_apparatus 
https://a-z-animals.com/animals/lists/animals-that-sleep-standing-up/ 

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