What Makes Bridges So Strong? | Engineering for Kids | STEAM | SciShow Kids

A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain — with blocks!

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SOURCES:
http://www.k5architecture.org/pdf/g2%20-%20Grade%202.pdf
http://www.pbs.org/wgbh/buildingbig/lab/shapes.html
http://www.childrensengineering.com/
http://www.design-technology.org/suspensionbridges.htm
http://wyrk.com/busiest-bridge-in-world-dales-daily-data/)

What Causes Thunder and Lightning? | Weather Science | SciShow Kids

A SciShow Kids viewer wants to know, “Why do lightning and thunder happen?” Get your raincoat, because Jessi will take you inside a thunderstorm to give you the answer!
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Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow

Or help support us by becoming our patron on Patreon:
https://www.patreon.com/scishow
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Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
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SOURCES:
lightningsafety.com
http://www.ucar.edu/communications/infopack/lightning/kids.html
http://kidshealth.org/kid/talk/qa/electric_shock.html
http://www.loc.gov/rr/scitech/mysteries/thunder.html
http://www.weatherwizkids.com/weather-lightning.htm

How Does A Seed Become A Plant? | Backyard Science | SciShow Kids

Jessi and Squeaks show you how a tiny seed – like the kind you plant in your garden or even eat in your trail mix – grows into a big plant!

#scieshowkids #plants #gardening #scienceforkids #biology #science #education #elementary #learning #seeds

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Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow

Or help support us by becoming our patron on Patreon:
https://www.patreon.com/scishow
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Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow

SOURCES:
http://www.gardenguides.com/75304-seed-develop-plant.html
http://wonderopolis.org/wonder/how-do-seeds-sprout/
http://www.mbgnet.net/bioplants/
http://plantsinmotion.bio.indiana.edu/plantmotion/earlygrowth/germination/germ.html
http://www.fs.fed.us/psw/publications/documents/misc/yoa1961_quick001.pdf

What is a Tornado? | Weather Science | SciShow Kids

Tornadoes are one of nature’s most powerful forces — see where they come from, how fast they go, and how scientists study them!
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SOURCES:

http://kids.nationalgeographic.com/content/kids/en_US/explore/science/tornado/

http://www.weatherwizkids.com/weather-tornado.htm

http://www.ready.gov/kids/know-the-facts/tornado

http://www.timeforkids.com/photos-video/video/tfk-tells-you-about-twisters-152191

https://www.ncdc.noaa.gov/climate-information/extreme-events/us-tornado-climatology/tornado-alley

http://www.livescience.com/45546-how-do-tornadoes-form.html

#scishowkids #weather #tornado #scienceforkids #meteorology #science #education #elementary #learning