Independent/Dependent Variable
Control Group/Constants
Random
Relationship between Variables
Graphs and Tables
100
Students are testing how the addition of paperclips onto paper airplanes will increase or decrease the distance traveled. They will be adding up to 10 paperclips total.
INDEPENDENT Variable = # of Paperclips DEPENDENT Variable = Distance traveled by plane
100
Identify 2 constants. Dr. Dimple is curious about whether eating chocolate may lead to pimples so he did the following experiment. To five boys with similar eating habits and same age he gave them different amounts of chocolates and measured the number of pimples that developed in one week.
SAME age group - SAME eating habits - SAME chocolates
100
What is the American (informal) name of this sport called. This sport is known as the REAL football.
soccer
100
What is the relationship between these variables? Hours you study vs. Score on quiz
Direct
100
What variable should be labeled on the x-axis?
The independent variable
200
A drug is being tested on improving memory. Ten 20 year old subjects were given a jigsaw puzzle to complete after taking the pill. Another ten 20 year old subjects were given a jigsaw and no pill. The amount of time taken to complete the puzzle serves as an indicator of memory.
INDEPENDENT Variable = Drug DEPENDENT Variable = Time taken to complete the jigsaw puzzle
200
What is the control group? The hypothesis of an experiment is exposure to different types of music changes the growth rate of plants. Three groups of plants are grown in the same conditions, and their growth rates are compared. Group 1 has plants that are exposed to heavy metal music for 3 hours per day. Group 2 was exposed to classical music. Group 3 is not exposed to any music.
Group 3: not exposed to music
200
Which of the following three soda types resulted in the greatest geyser height? Sprite - Coke - Diet Coke
Diet Coke
200
Amount of food you eat vs. Amount of HW you receive
No Relationship
200
What variable is on the left column of a table?
The independent variable.
300
Mr. Kuo predicts that playing on the football team helps students do better in science class. He finds 10 students who play on the team and 10 students who don’t play on the team. All of the students are given a science quiz.
INDEPENDENT variable = Playing on the football team DEPENDENT Variable = Score on science quiz
300
Identify 1 constant. Four groups of rats are put through an obstacle course test. Group 1 was given a special hormone. Group 2 was given a special multivitamin . Group 3 receives both hormone treatment and the multivitamin diet. Group 4 does not receive any extra treatment or special .
SAME rat - SAME obstacle course
300
State your hypothesis using the proper If...then... format for the following experiment. Testing fertilizer amount on plant height where you observed that plants grew higher in the presence of fertilizers.
If more fertilizer is added to a plant, then the plant will grow higher.
300
What is the relationship between these variables? Number of absences vs. Grade in class
Inverse
300
What is the appropriate title given the following axis labels: X = Fertilizer amount - Y - Plant Height
Effect of fertilizer amount on plant height - or Fertilizer Amount vs. Plant Height
400
Tabitha and Malcolm think that if they stir the water, then a sugar cube will dissolve faster. They take two beakers, each with 100 mL of 20°C water. They put the sugar cube in each at the same time. Tabitha stirs one of the beakers as she observes. Malcolm only observes the other beaker; he does not stir.
INDEPENDENT variable = Stirring DEPENDENT Variable = How fast the sugar cube dissolves
400
Identify 2 constants. Tabitha and Malcolm think that if they stir the water, then a sugar cube will dissolve faster. They take two beakers, each with 100 mL of 20°C water. They put the sugar cube in each at the same time. Tabitha stirs one of the beakers as she observes. Malcolm only observes the other beaker; he does not stir.
SAME sugar cube - SAME volume of water - SAME temperature - SAME beaker size - SAME time -
400
What is a serotonin and what does it do?
A neurotransmitter and it helps with memory.
400
What is the relationship between these variables? Level of education vs. Likelihood of getting a job
Direct
400
What kind of graph should you use when one of the variables is non-numerical (text)?
Bar graph
500
A researcher is curious about consequences sleep deprivation. He decides he will monitor the physical coordination. The researcher selected 25 year-old male college students and deprived some of the subjects to either 24, 36, or 45 hours of sleep.
INDEPENDENT Variable = Sleep deprivation DEPENDENT Variable = Physical coordination
500
What control group condition is the researcher lacking? A researcher is curious about consequences sleep deprivation. He decides he will monitor the physical coordination. The researcher selected 25 year-old male college students and deprived some of the subjects to either 24, 36, or 45 hours of sleep.
Subjects that are not deprived of any sleep (0 hours)
500
What is the 14th line of the creed?
We are our brothers' keepers
500
Hours spent playing (not doing homework) vs. School grade point average
Inverse
500
Name three of the five key components of a graph.
1) Title - 2) X axis label - 3) Y axis label - 4) Units - 5) Graphing points -
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