<p> Name ______</p><p>Identify the Controls and Variables </p><p>Hypothesis:</p><p>Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're Identify the: supposed to staple a set of papers). Group A is given the special juice to drink while they work. 1. Control Group: Group B is not given the special juice. After an hour, Smithers counts how many stacks of papers each group has made. Group A made 2. Exp. Group: 1,587 stacks, Group B made 2,113 stacks. 3. Independent Variable:</p><p>4. Dependent Variable:</p><p>6 Hypothesis:</p><p>Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half Identify the: of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days 1. Control Group: of "treatment" there is no change in the appearance of the green slime on either side of the shower. 2. Exp. Group:</p><p>3. Independent Variable:</p><p>4. Dependent Variable:</p><p>Hypothesis:</p><p>Bart believes that mice exposed to microwaves will become extra strong (maybe he's been reading too much Radioactive Man). He decides to perform this Identify the: experiment by placing 10 mice in a microwave for 10 seconds. He compared these 10 mice to 1. Control Group: another 10 mice that had not been exposed. His test consisted of a heavy block of wood that blocked 2. Exp. Group: the mouse food. he found that 8 out of 10 of the microwaved mice were able to push the block away. 7 out of 10 of the non-microwaved 3. Independent Variable: mice were able to do the same. </p><p>4. Dependent Variable Hypothesis:</p><p>Krusty was told that a certain itching powder was the newest best thing on the market; it even claims to cause 50% longer lasting itches. Interested in this Identify the: product, he buys the itching powder and compares it to his usual product. One test subject (A) is 1. Control Group: sprinkled with the original itching powder, and another test subject (B) was sprinkled with the Experimental itching powder. Subject A reported 2. Exp. Group: having itches for 30 minutes. Subject B reported to have itches for 45 minutes. 3. Independent Variable:</p><p>4. Dependent Variable:</p><p>Hypothesis:</p><p>Lisa is working on a science project. Her task is to answer the question: "Does Rogooti (which is a commercial hair product) affect the speed of hair Identify the: growth". Her family is willing to volunteer for the experiment. 1. Control Group:</p><p>2. Exp. Group:</p><p>3. Independent Variable:</p><p>4. Dependent Variable: KEY</p><p>Each two correct answers is worth one point extra credit on each 4th marking period test for a total of 5 points on each test.</p><p>Identify the: Hypothesis: If special juice is drunk, then Smithers thinks that a special juice will increase performance will improve. the productivity of workers. He creates two groups of 50 workers each and assigns each Identify the: group the same task (in this case, they're supposed to staple a set of papers). Group A is 1. Control Group: no special juice given the special juice to drink while they work. Group B is not given the special juice. After an hour, Smithers counts how many stacks of 2. Exp. Group: special juice papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks. 3. Independent Variable: juice</p><p>4. Dependent Variable: performance</p><p>Hypothesis: If coconut juice is place in shower, then the slime will disappear. Homer notices that his shower is covered in a strange green slime. His friend Barney tells him Identify the: that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half 1. Control Group: water of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the 2. Exp. Group: coconut juice appearance of the green slime on either side of the shower. 3. Independent Variable: liquid used in shower</p><p>4. Dependent Variable: treatment results</p><p>Hypothesis: If mice are exposed to microwaves, then they will become stronger. Bart believes that mice exposed to microwaves will become extra strong (maybe he's been reading too Identify the: much Radioactive Man). He decides to perform this experiment by placing 10 mice in a microwave for 1. Control Group: no microwave 10 seconds. He compared these 10 mice to exposure another 10 mice that had not been exposed. His test consisted of a heavy block of wood that blocked 2. Exp. Group: microwave exposure</p><p> the mouse food. he found that 8 out of 10 of the microwaved mice were able to push the 3. Independent Variable: type of exposure block away. 7 out of 10 of the non-microwaved mice were able to do the same. 4. Dependent Variable: strength of mice</p><p>Hypothesis: If a new itching powder is used, then the itches will last 50% longer. Krusty was told that a certain itching powder was the newest best thing on the market; it even claims Identify the: to cause 50% longer lasting itches. Interested in this product, he buys the itching powder and compares 1. Control Group: usual itching powder it to his usual product. One test subject (A) is sprinkled with the original itching powder, and another test subject (B) was sprinkled with the Experimental itching powder. Subject A reported 2. Exp. Group: new itching powder having itches for 30 minutes. Subject B reported to have itches for 45 minutes. 3. Independent Variable: type of powder</p><p>4. Dependent Variable: length of itching</p><p>Hypothesis: If Rogooti is applied to hair, then it will grow faster.</p><p>Lisa is working on a science project. Her task is to answer the question: "Does Rogooti (which is a Identify the: commercial hair product) affect the speed of hair growth". Her family is willing to volunteer for the 1. Control Group: no Rogooti experiment. </p><p>2. Exp. Group: Rogooti</p><p>3. Independent Variable: application of hair produce</p><p>4. Dependent Variable: rate of hair growth</p>