Scientific Method
SURPRISE!
Hypothesis
Variables and Groups
Analyzing Results
100
What is the first step in the scientific method?
What is Question.
100
Create a question for this observation - Ms. Suzie noticed larger bowling balls knock down more pins.
Sample answer - What is the effect of bowling ball size on how many pins they knock down?
100
What step of the scientific method do you predict a possible answer to a problem or a question?
What is Hypothesis.
100
Which of the variables is the ONE the scientist changes to test its effect?
What is Independent?
100
Which fruit was liked the least by this group?
What are grapes?
200
What step of the scientific method do you test your hypothesis?
What is Experiment.
200
What is the average of 5, 6, 1?
What is 4?
200
Putting my plant in the closet will decrease it's chance of living.
What is wrong with this hypothesis?
What is... it is missing "If" and "Then"
200
What is the responding variable or factor that may or may not change due to manipulation?
What is Dependent Variable.
200
How many more people liked apples than bananas?
What is 25?
300
What step in the scientific method do you make careful observations and write down what happens?
What is Collect Data/Experiment?
300
When designing an experiment, what is important to make sure you have regarding SAMPLE SIZE?
What is keep the sample size large?
300
If you drink more milk will you get stronger bones?
State a good hypothesis for this question.
What is...If you increase the amount of milk you drink, then you will increase the strength of your bones.
300
The term we use to describe a group you keep untested for baseline comparison
What is control group?
300
2, 4, 5, 6, 8, 5. What is the average?
What is 5?
400
In which step of the scientific method do you present your experiment, observations and conclusions to others?
What is Share Results/Communicate?
400
During which step of the scientific method does one write up a lab report and publish it?
What is "Communicate/Share results"?
400
I wonder if you smoke more cigarettes, will you have a better chance of getting lung cancer?
State a good hypothesis for this question.
What is...If you increase the number of cigarettes you smoke, then you will increase your chance of getting lung cancer.
400
In an experiment what are the variables that are not being studied that are held constant so that they do not influence the experimental outcome called?
What is Control/Constant Variables?
400
Which graph would be best to represent the amount of earthquakes experienced in San Francisco over the course of 12 years?
What is a line graph?
500
List all eight steps of the scientific method.
What is Question, Background Research, Hypothesis, Design Experiment, Experiment/Collect Data, Analyze Results, Conclusion, Share Results.
500
In a data table, how do you organize your variables?
What is to keep your IV on the left and your DV on the right?
500
Read the following experiment and state a good hypothesis. I am doing a test to see if there is a connection between how long you run and how fast your heart beats. I will be performing an experiment where a person will run for a 1 minute and I will check their heartbeat. Then they will run for 2 minutes and I will check their heart rate. I will do this up to 6 minutes and see if there is a connection. What do you think my hypothesis should be?
What is...If I increase the amount of time I run, then my heartbeat will increase.
500
Find the independent and dependent variables in the following experiment: If you increase the number of times you practice shooting free-throws, then you will increase your chances of making a basket every time.
What is Independent- practice shooting free throws, Dependent- making baskets.
500
What are the independent and dependent variables on this graph?
IV = Material
DV = Amount of light