Famous iodine clock reaction: oxidation of potassium iodide by hydrogen peroxide.
Mixture A:
- 10 mL 2.0 M sulphuric acid
- 10 mL 3% hydrogen peroxide
- 80 mL water
Mixture B:
- Solution of 0.04 g sodium thiosulfate pentahydrate in 20 mL water
- Solution of 0.9 g potassium iodide in 5 mL water
- 4 mL starch solution
- 71 mL water
A lot of people had questions about apples! Indiana farmer Calvin explains how apple trees grow in this video.
Do your kids/students have questions about agriculture? Submit their questions
at agfoundation.org!
Please note that this is a development product and not yet released. It is not Vantablack or Vantablack S-VIS (as the mask was previously coated with), but a new non-nanotube coating we have in development. Its total hemispherical reflectance is c.0.3% at 600nm wavelength. Unlike Vantablack, which is a free space material that doesn't tolerate handling, this is a solid coating that is far more tolerant. We thought this would be an interesting way to demonstrate its performance as nothing but…
Behind every flight is the effort of all our great people. "A Day in The Life" series follows some of our staff through a typical day. In this video, we follow Cathay Pacific Senior First Officer Richard Clausen from his home to take-off. And after a day with Richard, you can meet other members of the team at cathaypacific.com/people
Get all the info you need to perform spherification by enrolling in our free class.
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This set of 10 seed stocks is used in the "THINK GREEN" module, a part of ABRC "Greening the Classroom" Teaching Modules. In this module, students will investigate how plant genotype and natural variation influence plant responses to environmental conditions and how this affects survival in a changing environment.
Aluminum resistance photos courtesy of Berenice D'Alcantara USP Brazil
https://mikesinventions.etsy.com This is basic rocket science. I explain the basics of stability and show an easy way to find the rocket's center of gravity and check its flight stability Get My New Book "Solve Any Problem" (I'm Not Kidding) On Amazon Now! https://a.co/d/0ht31zY1
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