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Vocabulary
Vocabulary
Independent Var.
Dependent Var.
Control Group
100
What is the factor that stays the same in an experiment?
Constant
100
What is the one factor that you can manipulate or change in an experiment?
Independent Variable
100
What is the independent variable: Joe wants to see what food his rabbits will choose to eat. He takes 3 rabbits and places 4 dishes with different food in front of them. He records the rabbits choices.
Food
100
Dr. Imanut 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. Dr. Imanut 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. The 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.
Time it takes to find the rat chow
100
What is the control group: A group of college students were given a short course in speed-reading. The instructor was curious if a monetary incentive would influence performance on a reading test taken at the end of the course. Half the students were offered $5 for obtaining a certain level of performance on the test, the other half were not offered money.
Group not offered money
200
What is information such as facts, numbers, etc. collected for analysis.
Data
200
What is a conclusion that is based on an observation?
Inference
200
What is the independent variable: Laura wants to test what battery will last the longest. She gets 4 radios and places 4 different brands of batteries in the radios to see which one will play the longest.
Battery
200
What is the dependent variable: Jacob wanted to see if his dog would jump higher if he played music. He tested his dog without the music and then without the music and recorded the data.
Height dog jumped
200
What is the control group: Larry was told that a certain muscle cream was the newest best thing on the market and claims to double a person’s muscle power when used as part of a muscle-building workout. Interested in this product, he buys the special muscle cream and recruits Patrick and SpongeBob to help him with an experiment. Larry develops a special marshmallow weight-lifting program for Patrick and SpongeBob. He meets with them once every day for a period of 2 weeks and keeps track of their results. Before each session Patrick’s arms and back are lathered in the muscle cream, while Sponge Bob’s arms and back are lathered with the regular lotion.
Sponge Bob
300
What is bits of information you gather with your senses?
Observation
300
What is a step-by-step procedure of problem solving?
Scientific Method
300
What is the independent variable: Carmen wants to see which bubble gum will blow the biggest bubble. She tests 6 different types of gum and records her data.
Gum
300
What is the dependent variable: Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will be a better cure. Sponge Bob decides to test this cure by rubbing Gary with seaweed for 1 week and having him drink Dr. Kelp. After a week of treatment, the slime is gone and Gary’s shell smells better.
Slime and odor of shell
300
What is the control group: Patrick believes that fish that eat food exposed to microwaves will become smarter and would be able to swim through a maze faster. He decides to perform an experiment by placing fish food in a microwave for 20 seconds. He has the fish swim through a maze and records the time it takes for each one to make it to the end. He feeds the special food to 10 fish and gives regular food to 10 others. After 1 week, he has the fish swim through the maze again and records the times for each.
10 fish he gives regular food to
400
What is A guess or statement that can be tested?
Hypothesis
400
What is the factor that is being measured in an experiment?
Dependent Variable
400
What is the independent variable: Rick wants to test what detergent will get his clothes the cleaniest so he buys 4 different brands of detergent and washes a dirty shirt.
Laundry Detergent
400
What is the dependent variable: Mrs. Kipp wants to test if giving her students candy bars before a test will help them perform better. She gives half of them nothing and the other half a snickers before taking the math tests.
Scores on math test
400
What is the control group: Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like new sauce but is really just mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.
Group B
500
What is a group that is used as a comparison in the experiment?
Control
500
What are the steps of the scientific method in order? (List 6)
Problem Observe/Infer Hypothesis Experiment Data Conclusion
500
What is the independent variable: Mr. Grey wants to test energy drinks to see which one will allow his students to stay up longer to study. He chooses 4 different brands and tests his subjects.
Energy Drink
500
What is the dependent variable: Larry wants to enter a rocket contest so he wants to test what rocket will fly the highest. He chooses 4 different rockets to test.
Height of the rocket
500
What is the control group: Barry wants to test the effectiveness of his new headache medicine. He gets a group of 50 people that have headaches and gives half of them the new medecine (Group A). The other half get a pill that looks just like the headache medecine, but it only contains sugar(Group B). Both groups are told they received the medecine.
Group B