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| Name | "Photosynthesis" experiment (How to make oxygen at home) |
| Video Uploader | Video From MEL Science |
| Upload Date | This Video Uploaded At 12-02-2018 14:06:41 |
| Video Discription | For cool and safe experiments sign up to MEL Science here: https://goo.gl/tZpTHs Here is an interesting and entertaining experiment that lies on the borderline of two sciences – chemistry and biology. You can easily repeat it at home and amaze your friends and family. Reagents and equipment: * solution of baking soda (5 g/l); * water plant (in our case it is waterweed); * beaker; * funnel; * test tube; * match or splinter; * lamp. Step-by-step instructions Place the water plant in the beaker, cover it with a funnel and fill the beaker with the salt solution, then place a test tube containing water in the funnel. Turn on a bright light and wait for around two to three hours. After the test tube fills completely, carefully remove it from the funnel and hold a smoldering splinter or match up to it. Watch the splinter burn. Processes description Photosynthesis is a complex chemical process in which light energy transforms into the energy of chemical bonds, or more simply it is a process in which carbon dioxide and water transform into organic substances and oxygen under the impact of light: СО₂ + Н₂О → Organic substances + О₂ It is easy to prove the presence of oxygen – just lower a smoldering splinter or match into the test tube, and it will immediately flare up, as oxygen is a gas that supports combustion. Why the solution of baking soda is required: as the carbon dioxide in the air dissolves poorly in water, to increase its concentration we can use carbonates or bicarbonates, which by their nature are salts of carbonic acid (CO₂・H₂O). |
| Category | Science & Technology |
| Tags | MEL Science | MEL Chemistry | experiment | fun science experiments | cool science projects | chemistry lab | cool experiments | chemistry help | easy science experiments for kids | science experiments at home | fun experiments | cool chemical reactions | experiments to do at home | easy experiments | at home science experiments | amazing experiment | Photosynthesis |
