Name: Quiz name: Quiz - Scientif ic Method including IV/DV/Constant & Control. Date: Write your name.

Transcription

1 Name: Quiz name: Quiz - Scientif ic Method including IV/V/onstant & ontrol ate: 1. Write your name. 2. student wanted to test the effects of 4 different fertilizers on plant growth. T he student thought that the fertilizer "Grow What is the independent variable? type of plant type of fertilizer type of pot sunlight 3. student wanted to test the effects of 4 different fertilizers on plant growth. T he student thought that the fertilizer "Grow What is the control group in this experiment? plant without fertilizer plant with fertilizer plant types amount of water

2 4. When Greg was told that golfers can now purchase golf balls that are fluorescent green, orange and pink, as opposed to just the traditional white ones, he rushed to store and bought several of each color. He set up an experiment to test if the color of a golf ball has any effect on its average distance of flight. What is the ependent Variable in this experiment? olor of Golf all istance golfball traveled T ime of day 5. When Greg was told that golfers can now purchase golf balls that are fluorescent green, orange and pink, as opposed to just the traditional white ones, he rushed to store and bought several of each color. He set up an experiment to test if the color of a golf ball has any effect on its average distance of flight. What is the control group in this experiment? green golf balls orange golf balls white golf balls type of club E pink golf balls 6. (Nike, didas, and sics) and recorded several 50-yard dash times in each shoe. T hey then compared the average dash time for each brand of shoe to see which resulted in the fastest sprint time. What is Independent Variable in this experiment? ash time T ype of running shoe Length of race Marathon time 7. In the graph, the cost of the pizza is the dependent variable.

3 8. (Nike, didas, and sics) and recorded several 50-yard dash times in each shoe. T hey then compared the average dash time for each brand of shoe to see which resulted in the fastest sprint time. What is the ependent Variable in this experiment? ash time T ype of Running shoe Length of race Marathon time 9. (Nike, didas, and sics) and recorded several 50-yard dash times in each shoe. T hey then compared the average dash time for each brand of shoe to see which resulted in the fastest sprint time. hoose two (2) onstants for this experiment. team mascot brand of shoes length of race location & conditions of race E color of shoe 10. T he dependent variable in the problem below is the size of the paper towel. or? Is the amount of water a paper towel holds related to the size of the paper towel?

4 11. student wanted to test the effects of 4 different fertilizers on plant growth. T he student thought that the fertilizer "Grow hoose two (2) constants for this experiment. type of pot type of plant type of fertilizer 12. r. Smith wants to examine whether a new drug increases the maze running performance of older rats. Just like aging humans, older rats show signs of poorer memory for new things. r. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze. One group of rats is given the new drug while they are learning the maze. T he second group is not given the drug. One week after having learned the maze he retests the rats and records how long it takes them to find the rat chow. Identify the control. Rats given new drug. Rats not given any drug. T he Maze mount of time it takes rat to find food. 13. esign an experiment to answer the following hypotheitcal question - "oes aspirin keep cut roses fresher longer?" Explain the set up of the experiment. e sure to identify the independent variable, dependent variable, a few constants, and the control.

5 14. In the graph, the time of day is the dependent variable.