Nature of Science/Scientific Method

Front

Steps to a scientific method:

Back

Make an observation, form a hypothesis, design a controlled experiment, analyze data and form a conclusion

Front

The variable that the scientist physically changes is called

Back

the independent variable

Front

If you do not understand a direction or part of a lab procedure, you should:

Back

ask the instructor for clarification before proceeding

Front

Quantitative data is

Back

data that is measured (numerical)

Front

Which component is missing from Carmen's Experiment? Options: observations, a hypothesis, a control group, a description of the experiment.

Back

a control group

Front

The graph shows atmospheric carbon dioxide levels since the year 1880. Which conclusion can be drawn from this graph?

• atmospheric carbon dioxide levels are solely responsible for global temperature change
• atmospheric carbon dioxide levels have been rising at about the same rate for the past century
• atmospheric carbon dioxide levels have remained the same over the past century
• atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed

Back

atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed

Front

Using the picture, what is the best conclusion for the experiment on the effect of acids on plant health? (0 - highest acidity / 7 = neutral / 14 - highest alkalinity)

Back

High acidity is harmful to this type of plant

Front

Which is NOT a step in the scientific method? Options: Make observation, Form a theory, Collect data, Form a hypothesis

Back

Form a theory

Front

Dependent variable means

Back

what is being measured

Front

What is an inference?

Back

An inference is something that you think is true based on information that you have.