father and daughters make puffer fish balloons with baking soda and vinegar science experiment - 蘇打粉 個影片檔及 b 捲影像00:25
father and daughter inflate a balloon with baking soda and vinegar in a fun science experiment - 蘇打粉 個影片檔及 b 捲影像00:16
two girls make a puffer fish balloon with baking soda and vinegar science experiment - 蘇打粉 個影片檔及 b 捲影像00:13
cheerful elementary schoolgirls conducting a science experiment in classroom. kindergarten. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:13
cheerful elementary schoolgirls conducting a science experiment in classroom. kindergarten. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:15
kindergarten learning: elementary schoolgirls engage in a science experiment. - 蘇打粉 個影片檔及 b 捲影像00:10氣球
back to school education: kids' science experiment in a kindergarten classroom. - 蘇打粉 個影片檔及 b 捲影像00:18
back to school: energetic elementary schoolgirls embrace hands-on learning in science experiment. - 蘇打粉 個影片檔及 b 捲影像00:09
cheerful elementary schoolgirls conducting a science experiment in kindergarten classroom. - 蘇打粉 個影片檔及 b 捲影像00:12
kindergarten learning: elementary schoolgirls engage in a science experiment. - 蘇打粉 個影片檔及 b 捲影像00:25氣球
cheerful elementary schoolgirls conducting a science experiment in classroom. kindergarten. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:16
back to school education: kids' science experiment in a kindergarten classroom. - 蘇打粉 個影片檔及 b 捲影像00:06
back to school education: kids' science experiment in a kindergarten classroom. - 蘇打粉 個影片檔及 b 捲影像00:06
children were excited about the chemical reaction of baking soda and vinegar that creates carbon dioxide. - 蘇打粉 個影片檔及 b 捲影像00:13
asian male teacher explain the chemical reaction with baking soda in the classroom with elementary school diverse students. - 蘇打粉 個影片檔及 b 捲影像00:09
diverse primary student having fun and learning in the science lab experiment with baking soda and balloons together. - 蘇打粉 個影片檔及 b 捲影像00:05
girls put baking soda from balloon to bottle vinegar that creates carbon dioxide and started blowing up balloons. - 蘇打粉 個影片檔及 b 捲影像00:12
the kids were excited about the chemical reaction of baking soda and vinegar that produces carbon dioxide gas and starts blowing the balloon. - 蘇打粉 個影片檔及 b 捲影像00:13
an asian male teacher experiment about the chemical reaction of baking soda and vinegar that creates carbon dioxide. and started blowing the balloons in class - 蘇打粉 個影片檔及 b 捲影像00:06
chemistry female teachers explain the chemical reaction with baking soda in the classroom. - 蘇打粉 個影片檔及 b 捲影像00:05
group of children exciting about learn in science lab experiments with natural gas were made from baking soda and balloon - 蘇打粉 個影片檔及 b 捲影像00:10
the kids were excited and learn making mix baking soda with vinegar and balloons in science class. - 蘇打粉 個影片檔及 b 捲影像00:11
young scientists student excitedly during wait to learn of scientific experiments in science class. - 蘇打粉 個影片檔及 b 捲影像00:07學生
attractive beautiful female instructor master explain and educate young children with happiness and fun activity at kindergarten. - 蘇打粉 個影片檔及 b 捲影像00:05
an asian male teacher advice equipment for science experiments to elementary school children in science class. - 蘇打粉 個影片檔及 b 捲影像00:09
diverse primary student having fun and excited about science experiment in classroom at school. - 蘇打粉 個影片檔及 b 捲影像00:06
diverse children having fun learn in science lab experiments with natural gas were made from baking soda and balloon. - 蘇打粉 個影片檔及 b 捲影像00:08
chemistry female teachers enjoying preparations of scientific experiments to elementary school children. - 蘇打粉 個影片檔及 b 捲影像00:06
elementary students engage in hands-on science experiment with a volcano: learning chemistry the fun way. school. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:20
cheerful elementary stem school kids create chemical reaction with baking soda and vinegar in classroom. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:09
elementary students engage in hands-on science experiment with a volcano: learning chemistry the fun way. school. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:11
cheerful elementary stem school kids create chemical reaction with baking soda and vinegar in classroom. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:11
cheerful elementary schoolgirls conducting a science experiment in classroom. kindergarten. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:28
cheerful elementary schoolgirls conducting a science experiment in classroom. kindergarten. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:07
educational discovery: young scientists in elementary classroom enjoy volcano experiment with bubbles. kindergarten. back to school. - 蘇打粉 個影片檔及 b 捲影像00:11
educational discovery: young scientists in elementary classroom enjoy volcano experiment with bubbles. kindergarten. back to school. - 蘇打粉 個影片檔及 b 捲影像00:11
young scientists excitedly discover chemical reactions in school laboratory. kindergarten. back to school. calssroom. education. - 蘇打粉 個影片檔及 b 捲影像00:12
cheerful elementary schoolgirls conducting a science experiment in classroom. kindergarten. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:11
young scientists excitedly discover chemical reactions in school laboratory. kindergarten. back to school. calssroom. education. - 蘇打粉 個影片檔及 b 捲影像00:07
young scientists excitedly discover chemical reactions in school laboratory. kindergarten. back to school. calssroom. education. - 蘇打粉 個影片檔及 b 捲影像00:09
elementary students engage in hands-on science experiment with a volcano: learning chemistry the fun way. school. back to school. education. - 蘇打粉 個影片檔及 b 捲影像00:17
young scientists excitedly discover chemical reactions in school laboratory. kindergarten. back to school. calssroom. education. - 蘇打粉 個影片檔及 b 捲影像00:05
educational discovery: young scientists in elementary classroom enjoy volcano experiment with bubbles. kindergarten. back to school. - 蘇打粉 個影片檔及 b 捲影像00:25
taking out bag of baking soda its 13.5 pounds taking out acid and this is muriatic acid. 09:57:10 - 蘇打粉 個影片檔及 b 捲影像00:23