Testable Questions
What is the format for a good testable question?
How does (independent variable) affect (dependent variable)?
A hypothesis is written in what format
If ... then ... because
What you change in an experiment
What is the independent variable
This type of data is collected with your five senses.
What is qualitative data
What is the main reason scientists conduct research?
To learn more information about their topic before they conduct an experiment
“Do cleats or tennis shoes make you run faster on turf?” Is this a good scientific question? Why or why not?
It is a good scientific question because it has an independent and dependent variable and it is measureable.
A hypothesis is ...
What is an educated guess
What is measured in an experiment
What is the dependent variable?
This is the numerical data collection
What is quantitative data
Why is it important to have a detailed procedure?
So experiments can be repeated and are reliable and accurate
"does wearing eyeliner make you prettier?” Is this a good scientific question? Why or why not?
It is a bad scientific question because it isn’t measurable.
Why is the following hypothesis considered a bad hypothesis? “If your plants grew taller, then they were given fertilizer.”
The independent and dependent variables are in the wrong order
Alexes wants to know if students do better on their homework if they listen to classical music or hip hop music. What is the independent variable in this experiment?
What is the type of music
"The clouds are dark gray" quantitative or qualitative data
Qualitative
What is the main reason scientists have constants?
So scientists know their results came only from the independent variable and nothing else
Why is the following hypothesis considered a bad hypothesis? “Plants not given fertilizer will grow taller.”
It is not written in the “if”, “then” and "because" format.
Alexes wants to know if students do better on their homework if they listen to classical music or hip hop music. What is the dependent variable in this experiment?
What is the students' grades on their homework
"The temperature is 67 degrees Fahrenheit." quantitative or qualitative data?
Quantitative
Identify a constant in this experiment: “Do plants grow faster in the shade?”
The amount of water each plant gets
There are ____ steps in the scientific method
What is six?
Write a hypothesis for the following testable question: “Does playing violent video games lead to higher blood pressure?”
If I play violent video games then I will have a higher blood pressure because the violence will upset me.
This variable is what is kept the same in each trial.
What are the constant variables
What is an inference that can be made about the following data:
"The clouds are dark gray."
"The temperature is 67 degrees Fahrenheit."
It is going to rain later today.
“Do new shoes make you run faster?” In that example, why can’t the speed of the runner be a constant?
Because the speed of the runner is the dependent variable it cannot be a constant.