โครงงานวิทยาศาสตร์ เรื่องสเปรย์พริก

Science project stories get rid of cockroaches as Thailand pepper spray project type experiment. Is intended to test the effectiveness of stop cockroaches from Thailand and pepper in order to compare the appropriate ratio of cleaners stop cockroaches from Thailand pepper? How to operate with pepper black ground, came to Thailand. Put in a container in a quantity in the quantity to 20 g, 30 g and 40 g respectively, and then extracted with ethanol (Ethanol) or ethyl alcohol (Ethyl alcohol) into the container, put the container of pepper 100 ml each, Thailand ground to ferment all ingredients for 1 day to get liquid from Thailand with concentrated chili. When a trial Experimental results showed that cockroaches die all the intensity, but they die at different times by the cleaners put to death in Thailand for 20 g ground pepper 8 min. 30 g powdered cleaners put chilli in Thailand to 4 minutes of time, and the cleaners put to death in Thailand for 40 g ground pepper just 1.30 minutes.

Science Project The pepper spray to kill cockroaches. This project types trial The objective To test the efficacy of liquid expelled from Pepper Roach. And to compare the ratio of liquid expelled from Pepper Roach. A method of operation Cayenne pepper brings out thoroughly. Separate containers in different amounts in the amount of 20 grams, 30 grams and 40 grams respectively and then extracted with ethanol (Ethanol) or ethyl alcohol (Ethyl alcohol) into the container, put pepper into containers of 100 ml of fermented ingredients. all one day be a solution with a concentration of pepper differ
on the trial. The results showed that Cockroaches die every concentration But dying in different time. The solution put pepper 20 grams dead in eight minutes, the solution put pepper 30 grams dead in 4 minutes and 40 grams of water, put the pepper dead in just 1.30 minutes.

Science projects of pepper spray eliminate cockroaches. Project type experiment purpose. To test the effectiveness of liquid cockroach repellent pepper.A mode of operation by the black pepper was grounded. Split container in different quantities 30 20 g g and G, respectively 40 extraction with ethanol (Ethanol) or ethyl alcohol. (Ethyl alcohol).100 ml fermented mixture all 1 day will rust from pepper with different concentration
.When the experiment results showed that the cockroaches die all the concentration. But dying in the different time. The solution put pepper 20 g die in time 8 minutes in put pepper 30 g die in time 4 minutes and liquid put pepper 40.Die in just 1.30 minutes
.