Оценка 4,0 (20) Recipe 1: Make a gel. Mix three parts isopropyl alcohol to one part aloe gel in a clean pot with a clean measuring spoon.

11 июл. 2020 г. · 5 Amazing Experiments With Hand Sanitizer || Easy Science Experiments With Sanitizer 3.2M views 4 years ago

00:19. Invisible Flame ; 01:00. Movement of Sanitizer On Water ; 01:31. Non Burnable Fire ; 02:24. Dancing of Fire ; 02:48. Sanitizer Rocket.

19 апр. 2023 г. · In this lab, students will model the interaction between hand sanitizer particles and virus particles, as well as between soap particles and virus particles.

Using hand sanitizer before touching a door handle helps prevent the spread of germs and bacteria. Another way to help prevent the spread of germs and bacteria ...

24 февр. 2022 г. · We performed a simple experiment where we pressed our unwashed hands against an agar plate and then placed it into an incubator to see how much ...

10 авг. 2021 г. · To help K-12 students understand the importance of hand hygiene and how objects hold germs, GOJO scientists have developed some simple, hands-on experiments.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Продолжительность: 0:59
Опубликовано: 25 февр. 2022 г.

24 мар. 2022 г. · It takes two petri dishes, two cotton swabs and a hand sanitizer of your choice. For the control group, swab the inside of your mouth, and rub ...