Variables & Groups
Scientific Method
Observations & Inferences
Analyzing Data
Mixed Bag
100
Susie hoped a red colored lightbulb would make her seeds germinate (sprout) faster.
What is her independent variable?
lightbulb color
100
During step do you find information to better understand your testable question?
research
100
When the liquids were mixed bubbles and smoke appeared.
Is the above statement a quantitative observation, qualitative observation, or inference?
qualitative observation
100
What should you do to identify how much each plant grew over the course of the experiment?
Find the range (last number -first number) of both columns.
100
What was the final score of yesterday's Eagles game?
20-16 EAGLES!
200
Susie hoped a red colored lightbulb would make her seeds germinate (sprout) faster.
What is her dependent variable?
time it takes for seeds to germinate
200
During this step, you follow a procedure and record your observations.
Experiment
200
Are the below observations, qualitative or quantitative?
quantitative observations
200
How much sugar does the table above say is BEST for plant growth?
0%
200
Does the below table have qualitative observations or quantitative observations?
qualitative observations
300
Susie hoped a red colored lightbulb would make her seeds germinate (sprout) faster.
What should Susie keep constant to determine the effectiveness of the red lightbulb?
Vary - amount of sun/water/fertilizer/soil
300
During this step, you make a prediction about the outcome of your experiment.
hypothesis
300
Make two quantitative observations about the below experiment.
# of bubbles, # of test tubes, temperature
300
What type of trend appears in the graph below?
positive
300
What is one experimental error you could identify using this data table?
The initial heights were not kept the same.
400
What would the control group be in the experiment depicted below?
group A = no sugar
400
During this step you look at your observations and try make inferences based on them.
analyze you data
400
Is the below statement a qualitative observation, quantitative observation, or inference?
If chemical change occurred if their wasn't a color change or release of gases.
inference
400
What type of trend is pictured below?
negative
400
In which hand is the Statue of Liberty's torch?
right
500
Smithers thinks that a special juice will increase the productivity of workers. He creates three groups of 50 workers each and assigns each group the same task, to staple sets of papers.
What is the independent variable and dependent variable?
IV: special juice
DV: Productivity of workers
500
What are the steps of the scientific method, in order.
problem/question
research
hypothesis
experiment
analyze data
conclusion
500
Is the below statement a qualitative observation, quantitative observation, or inference?
The liquids bubbled and changed color when they were mixed.
qualitative observation
500
What is the relationship between your variables in graph below?
As temperature increases, so does sales.
500
On our flag, is the top stripe red or white?
red