Lab 1: Scientific Method & Graphing

Question 1

Define hypothesis

Answer 1

an educated guess

Question 2

Define Independent Variable

Answer 2

the one you change or control to see its effect

Question 3

Define Dependent Variable

Answer 3

what you check to see if the independent variable made a difference

Question 4

Define Operational Definitions

Answer 4

Clear explanations of how variables are measured in an experiment

Question 5

Define Control Variables

Answer 5

Not something you control

Question 6

Define Scientific Theory

Answer 6

A well tested explanation for a wide range of results

Question 7

Describe the steps of the scientific method

Answer 7

1. Make an observation 2. Ask a question 3. Form a hypothesis that answers the question 4. Make a prediction based on on the hypothesis 5. Do an experiment to test the prediction. 6. Analyze the results

Question 8

Identify the dependent and independent variables for an experiment

Answer 8

Independent is the one you can change or control to see its effect while the dependent is what you measure to see if the independent had an effect

Question 9

List the 4 most common abundant elements found in the human body

Answer 9

Oxygen, Carbon, Hydrogen, and Nitrogen (96%)