by Milan Sanader | May 2, 2021 | All Science Teachers, Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
NASA has logged another extraterrestrial first on its latest mission to Mars: converting carbon dioxide from the Martian atmosphere into pure, breathable oxygen, the U.S. space agency said on Wednesday. The unprecedented extraction of oxygen, literally out of...
by Milan Sanader | May 6, 2020 | Gr 9-10 Science, Gr. 11-12 Biology
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside your body? Enda Butler tracks...
by msander | May 7, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing? Hosted by: Hank Green
by msander | May 7, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside your body? Enda Butler tracks...
by msander | Jun 22, 2015 | Gr 9-10 Science
This activity is just one of 40 activities in the Grade 9/10 demo series available at the STAO website. Introduction The cells of green plants contain the pigment chlorophyll in organelles called chloroplasts. Chloroplasts capture the Sun’s energy and store...
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