Purpose: The purpose of this lab is to find the percent composition of sugar in gum, and how it differs based on the brand of gum, by using the percent by mass. Hypothesis: If two separate brands of gum are masticated, in which is based on Trident and Orbit Gum, then the mass of the sugar/ the percent composition of the sugar in the gum would be the same, because the amount of sugar and sugar alcohol used in the gum are the same, based on the nutritional facts provided. Variables: Independent Variable: The Brand of Gum Dependent Variable: Percent of Composition of Sugar in Gum / Mass of Sugar (in g) Controlled Variables: The Amount Sticks of Gum, The Flavor of the Gum, Materials: ~
My third hypothesis is that the Member’s Mark will hold the most pennies when it is dry because Member’s Mark is two-ply and appears the thickest. PROCEDURE To prepare for both experiments I will acquire five brands of toilet paper, rubber bands, and a stopwatch from local stores. There is no control group for any of the experiments because I am comparing brands of toilet paper.
observations ½ tab 17.9 55.30 1 ½ tab divided in 2 pc. 19.5 49.37 The pieces of alka-seltzer were drawn to each other in the cup ½ tab divided n 3 pc. 20.8 37.24 The pieces of alka-seltzer were drawn to each other in the cup ½ tab 19.4 52.01
1. A number of different items were measured in this lab. For each of the following items, what did you find most challenging in making the measurement and how did that challenge affect the accuracy of the measurement? a) Length of the table b) Height of your partner c) Thickness of your finger
Data Analysis The scientific question answered was, “Does the length of a Pinewood Derby car’s body affect how fast the car will go?” The hypothesis was, “If the length of a Pinewood Derby car is shortened, then the speed will increase.” The independent variable was the length of the car, and the dependent variable was the time it took for the car to reach the bottom. There were many control variables, and some of them are the car used, the wheels used, the stopwatch used, and the ramp the cars were raced on.
In this lab we were trying to figure out if Salt Creek and Barker Lake had the correct chemical balances to sustain catfish for the years coming. In order to find this out, we tested the water using a Hach Water Testing Kit. Inside were dissolved oxygen reagent powder pillows 1, 2 and 3 which we added and mixed into our sample water to prepare it for testing. Then we added droplets of Sodium Thiosulphate Solution into the prepared water too see how much dissolved oxygen parts per million were in the water. Our independent variable in this experiment was the 5 different testing sites that we went to for water samples.
This scientific question is, does the different kind of gum increase or decrease your concentration? This question was chose because many people in the world always are looking for some tips on what helps them concentrate, and chewing gum is a very easy way to help improve concentration. The Independent Variable is the type of gum, the Control Group is Bubble Gum, the Experimental Group is the Spearmint, the Dependent Variable is test scores, the Constant Variables are same timed test, same timer, and same brand of gum. The hypothesis for this science fair project is if spearmint gum is chewed then the person's concentration will be increased. This hypothesis was picked because spearmint gum is minty and the scientist thought that maybe mint impacted the brain the most.
Flying Footballs! Which size football can fly through the air the farthest distance? If the size of the ball does affect the distance traveled, then the smallest ball should travel the greatest distance, according to the hypothesis. In conducting the experiment, the procedures followed were; 1.
I also have three trials of each brand to average the popped kernels and the unpopped kernels and to see the most absolute results.
a biology class wants to perform an experiment to investigate the effect of different colors of light of green, yellow, red and clear cellophane and plant three seeds in each one. What part do the three seeds experiment? A,Confounding variables B.Independent variables C.Control variables D.Dependent variables 40. Iodine directly helps which of the following glands to function properly?
Proteins have an important role in the body and must be ingested on a regular basis. They provide the body with the capacity to repair skeletal muscle tissue and to synthesize hormones and enzymes among other activities. In this experiment, we wanted to determine the organic molecules found in each brand of protein supplements and the amount of starch present. A protein supplement should contain amino acids and proteins; however, some supplements contain other molecules that are used as fillers, thus reducing the concentration of the protein.
How did the dominant countries of the world come to be dominant? Or, how did people living in the same time period, with crude and primitive technology come to overthrow other neighboring countries? Especially since these countries were inhabited by people with relatively the same intelligence levels as themselves. However, some historians would conclude that intelligence was, in fact, the main deciding factor for the overthrow of some countries. However, in this book, Jared Diamond tells how guns, germs, and steel are, in effect, the reasons for some cultures being superior over others.
1. What rationale do the author(s) give for conducting the study? The author that is conducting this research is testing the obedience of a subject when dealing with “stocking a victim” by use of a shock generator. There are thirty levels of shock that are generated varying from a slight shock to a severe shock.
In this experiment, the question that was asked was, are elephants afraid of mice? The hypothesis is if a mouse is placed near an elephant, then the elephant will be frightened. The experimenters traveled to an African safari to perform the experiment with their test subjects (an African elephant and a white mouse). They hid the mouse in elephant dung and rolled over the dung whenever elephants passed by. At first there was speculation that the elephants might have been startled by the moving dung.
My experiment is to test subjects on the level of most influence. I will ask subjects if they would want to get nude and my partner, Hans, will record the results. After I ask the first question, I will unveil a candy box with “Nude” printed on the cover. My hypothesis is that the dominant Christian value on campus will influence the moral of the students.
