4k two young women presenting how to build robot with using solar panel to be energy resource to their customers - 科學博覽會 個影片檔及 b 捲影像00:30
girl student explains a diorama and cardboard prototype to a teacher during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:12
vanderbilt university midstate science and engineering fair, sponsored by the nashville banner, high school students look at displays, microscopes,... - 科學博覽會 個影片檔及 b 捲影像00:59學生
teenage inventor, victor scheinman demonstrates the electro mechanical voice inscriber at a science fair. - 科學博覽會 個影片檔及 b 捲影像00:15
young african-american boy examines circuit board and computer chip in home at night, demonstrating enthusiasm and focus online educational session. stem education robotics courses online concept. - 科學博覽會 個影片檔及 b 捲影像00:18
teacher demonstrating robotic hand prototype during stem robotics class inspiring innovation curiosity and future engineering skills - 科學博覽會 個影片檔及 b 捲影像00:17
manager and lab technicians discussing industrial drone in research laboratory - 科學博覽會 個影片檔及 b 捲影像00:06
young african-american boy examines circuit board and computer chip in home at night, demonstrating enthusiasm and focus online educational session. stem education robotics courses online concept. - 科學博覽會 個影片檔及 b 捲影像00:20
student presents a diorama project to a teacher judge during the school science fair. - 科學博覽會 個影片檔及 b 捲影像00:13
girl student explains a diorama and cardboard prototype to a teacher during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:06
girl student explains a diorama and cardboard prototype to a teacher during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:17
teacher evaluates student stem exhibits as a pupil presents a robotics project during the school science fair. - 科學博覽會 個影片檔及 b 捲影像00:10
girl student explains a diorama and cardboard prototype to a teacher during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:05
girl student explains a diorama and cardboard prototype to a teacher during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:04
girl student explains a diorama and cardboard prototype to teachers/ judges during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:07
girl student presents a detailed diorama to two teachers who evaluate her project during a school exhibition. - 科學博覽會 個影片檔及 b 捲影像00:13
student presents a science model in classroom while classmates ask questions to her - 科學博覽會 個影片檔及 b 捲影像00:15印度人, 學生
confident middle school boy presents his project in the classroom with teacher supervision - 科學博覽會 個影片檔及 b 捲影像00:14
confident middle school boy presents in the classroom with teacher supervision - 科學博覽會 個影片檔及 b 捲影像00:15
elementary students doing a presentation about the solar system using model on the classroom - 科學博覽會 個影片檔及 b 捲影像00:14韓國人
elementary students doing a presentation about the solar system using model on the classroom - 科學博覽會 個影片檔及 b 捲影像00:12
two girls make a puffer fish balloon with baking soda and vinegar science experiment - 科學博覽會 個影片檔及 b 捲影像00:13
child students talking and doing a model of solar system during class at school - 科學博覽會 個影片檔及 b 捲影像00:09太陽系
portrait of child boy talking to friends while doing a model of solar system at school - 科學博覽會 個影片檔及 b 捲影像00:10
child students celebrating after finishing model of the solar system during class at school - 科學博覽會 個影片檔及 b 捲影像00:07學生, 擊掌
