IV vs DV
Do we measure or change the dependent variable?
What is a scientific problem?
A question we want to know the answer to
What are the five senses?
Hear, Smell, See, Touch, Taste
What is a hypothesis
a scientific explanation
This is the systematic study of the natural world
Science
How many independent variables should an experiment have?
Only one
What is the last step of the scientific method
Form a conclusion
do we do observations before or after the experiment?
Before
what is one reason we want to make our experiments repeatable?
1. so we can see if we made any mistakes
2. so other scientists can try to repeat the experiment
What is fake science called?
Pseudoscience
Jason wants to know if the amount of clouds in the sky changes the color of his tomato plants. What is the independent variable?
Amount of clouds in the sky
Is the scientific method like a recipe in a cookbook? Why?
No. We sometimes repeat steps, do the steps out of order, or add extra steps
When do we want to use an observational study?
When we do not want to interfere with the environment
Why is it really important to have only one independent variable?
So we know exactly which variable is causing the change
What is the term for the data and measurements we collect?
Empirical Evidence