lESSON

 

http://oceanservice.noaa.gov/facts/sonar.html

http://optv.pbslearningmedia.org/resource/phy03.sci.phys.mfw.sonar/sound-waves-underwater-experiment-with-sonar/

 

do this with everyone:
https://www.teachengineering.org/activities/view/cub_soundandlight_lesson4_activity1

 

Geography and business:
https://getpocket.com/explore/item/the-highly-unusual-company-behind-sriracha-the-world-s-coolest-hot-sauce-463224559

http://www.geography-map-games.com/geography-games-Geography-Cities-of-California-_pageid97.html

http://www.ducksters.com/geography/southeastasia.php
Take the following quiz, but you may look up answers you don’t know:
http://lizardpoint.com/geography/asia-southeast-quiz.php

 

 

 

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