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Hello Scholars!
In this lesson, you will investigate the effects of rocks tumbling in a river. Based on their observations, you will construct an explanation for why there is sand at a beach. You will examine what happens to rocks as they travel along the river and answer the question: Why is there sand at the beach?

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Essential Question:  Why is there sand at the beach?
Tap the image below to play the video.

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Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission. If you are the owner of a visual and believe we are using it without permission, please contact us -we will reply promptly and make things right.

kids at the beach by Image used under license from Shutterstock.com: bikeriderlondon

white sand beach by Image used under license from Shutterstock.com: Rob Marmion

girl on the beach by Image used under license from Shutterstock.com: ori-artiste

sand castle by Image used under license from Shutterstock.com: Kris Wiktor

Southwick Beach State Park by Easchiff

hand in sand by Image used under license from Shutterstock.com: kasidit

kid at Pfieffer Beach by The Offshore Aquaholic

purple sand by The Offshore Aquaholic

purple sand beach by Carson

kid holding sand by Image used under license from Shutterstock.com: Albina Glisic

footprints on purple beach by Image used under license from Shutterstock.com: mhgstan

hand holding purple sand by Akos Kokai

magnifiying glass by Image used under license from Shutterstock.com: underworld

close up of sand by Image used under license from Shutterstock.com: Mr Twister

zoomed view of sand by Image used under license from Shutterstock.com: AlexussK

green sand beach by Image used under license from Shutterstock.com: Alexander Demyanenko

close up of green sand by Brian W. Schaller

cliffs facing the beach by Image used under license from Shutterstock.com: Noradoa

close up of cliff by Image used under license from Shutterstock.com: jennyt

scuba diver by Image used under license from Shutterstock.com: Rostislav Ageev

Lepidolite (purple rock) by Spirit Rock Shop

purple mountains by Gonzo fan2007

falling rocks sign by Image used under license from Shutterstock.com: Michael Leslie

rock crashing down mountain by Joraj Dason

beach flooding by Muhammad Moolla

fast flowing river by Hayk Arakelyan

rocks flowing down river by Internet Geography

big blue waves by Image used under license from Shutterstock.com: bus109

chair and beach umbrella by Image used under license from Shutterstock.com: Aleks Melnik

clouds by Image used under license from Shutterstock.com: nikiteev_konstantin

mountains sillhouette by Image used under license from Shutterstock.com: Alex Ghidan

ocean concept by Image used under license from Shutterstock.com: Nikita Konashenkov

sand texture by Image used under license from Shutterstock.com: Ursa Major

Rainbow Beach by Cassarazzi

green rock by Image used under license from Shutterstock.com: Helen Cingisiz

close up of rainbow beach by cordyceps

stream on the beach by Humphrey Bolton

rushing river in Smoky Mountains by GreatSmokyMountains (© GSMA 2010. All rights reserved.)

turtles by Image used under license from Shutterstock.com: Dmitri Ma

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Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission.

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Read, "How Not to Save a Sand Castle."
Click on the passage below to expand the text.

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Essential Question:  Why is there sand at the beach?
Tap the image below to play the video.

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Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission. If you are the owner of a visual and believe we are using it without permission, please contact us -we will reply promptly and make things right.

kids at the beach by Image used under license from Shutterstock.com: bikeriderlondon

white sand beach by Image used under license from Shutterstock.com: Rob Marmion

girl on the beach by Image used under license from Shutterstock.com: ori-artiste

sand castle by Image used under license from Shutterstock.com: Kris Wiktor

Southwick Beach State Park by Easchiff

hand in sand by Image used under license from Shutterstock.com: kasidit

kid at Pfieffer Beach by The Offshore Aquaholic

purple sand by The Offshore Aquaholic

purple sand beach by Carson

kid holding sand by Image used under license from Shutterstock.com: Albina Glisic

footprints on purple beach by Image used under license from Shutterstock.com: mhgstan

hand holding purple sand by Akos Kokai

magnifiying glass by Image used under license from Shutterstock.com: underworld

close up of sand by Image used under license from Shutterstock.com: Mr Twister

zoomed view of sand by Image used under license from Shutterstock.com: AlexussK

green sand beach by Image used under license from Shutterstock.com: Alexander Demyanenko

close up of green sand by Brian W. Schaller

cliffs facing the beach by Image used under license from Shutterstock.com: Noradoa

close up of cliff by Image used under license from Shutterstock.com: jennyt

scuba diver by Image used under license from Shutterstock.com: Rostislav Ageev

Lepidolite (purple rock) by Spirit Rock Shop

purple mountains by Gonzo fan2007

falling rocks sign by Image used under license from Shutterstock.com: Michael Leslie

rock crashing down mountain by Joraj Dason

beach flooding by Muhammad Moolla

fast flowing river by Hayk Arakelyan

rocks flowing down river by Internet Geography

big blue waves by Image used under license from Shutterstock.com: bus109

chair and beach umbrella by Image used under license from Shutterstock.com: Aleks Melnik

clouds by Image used under license from Shutterstock.com: nikiteev_konstantin

mountains sillhouette by Image used under license from Shutterstock.com: Alex Ghidan

ocean concept by Image used under license from Shutterstock.com: Nikita Konashenkov

sand texture by Image used under license from Shutterstock.com: Ursa Major

Rainbow Beach by Cassarazzi

green rock by Image used under license from Shutterstock.com: Helen Cingisiz

close up of rainbow beach by cordyceps

stream on the beach by Humphrey Bolton

rushing river in Smoky Mountains by GreatSmokyMountains (© GSMA 2010. All rights reserved.)

turtles by Image used under license from Shutterstock.com: Dmitri Ma

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Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission.

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Click on your teacher's name to open the assignment.
Sazon's class click here.

Perez's class click here.

Ha's class click here.