Does garlic kill bacteria science fair project?
All the dilutions of fresh garlic killed a large amount of bacteria. The 1X stock killed all the bacteria on the plates. The average number of bacteria that grew for fresh garlic in the 1/4X stock trials was 210 colonies, while the 1/16X stock grew an average of was 672.5 colonies.
Are natural antibiotics better?
The results of both experiments suggest that some natural antibiotics are as effective as pharmaceutically produced antibiotics in inhibiting the growth of bacteria. Unlike pharmaceutically produced antibiotics, drug resistance does not develop against naturally occuring antibiotics.
How do you get rid of Gram-positive bacteria naturally?
Some of the natural antibiotics are Garlic, Honey, Cabbage, Grapefruit seed extract, Raw apple cider vinegar, Extra virgin coconut oil, Fermented food and colloidal silver. Natural antibiotics help to kills gram-positive and gram-negative bacteria.
What to do for Science Fair in seventh grade?
40 Clever Seventh Grade Science Fair Projects and Classroom Experiments 1. Crush a can using air pressure. Sure, it’s easy to crush a soda can with your bare hands, but what if you could do it… 2. Construct a geodesic dome. Budding engineers will love designing, building, and testing the strength
What are Science Buddies for seventh grade students?
Our seventh grade projects are written and tested by scientists and are specifically created for use by students in the seventh grade. Students can choose to follow the science experiment as written or put their own spin on the project. For a personalized list of science projects, seventh graders can use the Science Buddies Topic Selection Wizard.
What are some good science projects for kids?
Put together a DIY barometer This simple but effective DIY science project teaches kids about air pressure and meteorology. They’ll have fun tracking and predicting the weather with their very own barometer. 19. Stretch your mind with a flexibility experiment