In this lab activity, students use a chemical indicator (bromothymol blue) to …
In this lab activity, students use a chemical indicator (bromothymol blue) to detect the presence of carbon dioxide in animal and plant respiration and in the burning of fossil fuels and its absence in the products of plant photosynthesis. After completing the five parts of this activity, students compare the colors of the chemical indicator in each part and interpret the results in terms of the qualitative importance of carbon sinks and sources.
Video Description: In this close-up video, Julie Williams-Byrd, Center Chief Technologist at NASA's …
Video Description: In this close-up video, Julie Williams-Byrd, Center Chief Technologist at NASA's Langley Research Center, shares her love for identifying technologies that support NASA missions. Video Length: 2:03.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings. These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Ask SME: Close-up with a NASA Subject Matter Expert videos are professionally developed to capture a glimpse of NASA SME's personal interests and career journeys. Each can be used to spark student interest and broaden their ideas of the STEM workforce. Additional videos in this series can be found by searching GoOpenVA using "NASA eClips Ask SME".
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