pheromones are interesting things. they are interesting because you can use them for your own gain. you can make a bug spray that repels well like find ou what a mosquito hates like literally. and make that as a pheromone and spray it all over yourself and you won't get bit because. they hate that smell they are also interesting because dogs use them. and ants use them and bees my worst enemy. use them to know hey there someone over here let's sting him ants use them to find food. and things like that also is there is an enemy around to run or attack whatever you are.
Joel Engelsma LAB REPORT FOR FRICTION The purpose. We will see how friction affects the distance the car will travel by different surfaces. Hypothesis the car will travel on a smoother surface because there is less friction than on any other. Our independent variable is the different surfaces. The dependent variable is the distance the car will travel. Materials A toy car A board A yoga mat A tape measure A towel 4 books Procedure Step 1 put the car on the top of the board and layout yoga mat about under the slanted board. Step2 roll the car down the downward slant and measure how far it went. Step3 record the measurements on paper or computer. Data distance traveled Towel 11.5 inches 12 inches 13 inches Average 12 ⅙ inches Bare floor 113 inches 121.5 inches 118 inches Average 117.5 inches Yoga mat 27 inches 28 inches 30 inches Average 28 ⅓ Discussion and Results The ...
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