Scientific Method Steps
What is the first step of the scientific method scientists use to conduct experiments?
Ask a question / Make an observation.
Please provide two examples of qualitative data
<examples must be observational data>
What is a hypothesis?
An explanation for a question or problem that can be tested
What is the independent variable in an experiment?
The variable that we are changing in an experiment.
What is a control group?
The group that does not receive any experimental treatment.
What is the second step of the scientific method scientists use to conduct experiments?
Form a Hypothesis
Please provide two examples of quantitative data
<examples must include numbers>
What is qualitative data?
Observational data.
What is the dependent variable in an experiment?
The dependent variable is the variable that reacts to the independent variable.
What is an experimental group?
The group that receives the experimental treatment.
What is the third step of the scientific method scientists use to conduct experiments?
Conduct an experiment
Would you explain how fast a car is driving with qualitative or quantitative data?
Quantitative data
What is Quantitative data?
Data that uses numbers.
There is a person who thinks that drinking smoothies will make athletes stronger, so they are going to conduct in experiment.
In this hypothesis, what is the dependent variable?
The change in strength of the athletes.
If you were trying to see how eating no meat for one week impacted your sleep cycles what would your control group look like?
A group of people who continue to eat meat.
What is the fourth step of the scientific method scientists use to conduct experiments?
Analyze the data and draw conclusions
Would you explain the color of your backpack to someone with qualitative or quantitative data?
Qualitative data
What is an experiment?
an investigation that tests a hypothesis by collecting information under controlled conditions
There is a scientist who believes that being active will decrease the stress people experience. One group does 50 jumping jacks every day and the other group does no extra activity.
In this hypothesis, what is the independent variable?
The activity
There is an experiment where scientists want to learn how fertilizer impacts the health of bee colonies. There is one field of flowers that get fertilizer and one field that does not get fertilizer.
Which field is the control group?
The field with no fertilizers.
There is an experiment where scientists want to learn how fertilizer impacts the health of bee colonies. There is one field of flowers that get fertilizer and one field that does not get fertilizer.
What is the independent variable?
The fertilizer.
There is a scientist who believes that being active will decrease the stress people experience. One group does 50 jumping jacks every day and the other group does no extra activity.
In this experiment, which group is the experimental group?
The group doing the extra jumping jacks.