Students talk about the results of their paddle testing. Then they figure out that their game needs walls. Students are asked to test four materials for walls and record their observations.
Watch video Wall Testing online without registration, duration hours minute second in high quality. This video was added by user Smithsonian Science Education Center 26 May 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 41 once and liked it people.