Unit 1: The Nature of Science TEST

Scientific Method

Pattern of investigation procedures that can include stating a problem.

Hypothesis

Possible explanation for a problem using what is known and what is observed.

Variable

can have more than a single value, causes a change in the results of a experiment

Dependent Variable

Factor that is measured

Independent

Factor that changes.

Constant

In an experiment, a variable that does not change.

Control

standard used for comparison of test results in an experiment.

Model

used to show an idea

How does the type of fertilizer used impact the height of tomato plants? what is the Independent variable

fertilizer

What is the effect of different study environments on students test performance? What the the Dependent variable

test scores

Does the temperature of water affect the time it takes for an ice cube to melt? what is the Independent variable

temperature

How does the brand of paper towel affect its absorbency rate? what is the Dependent Variable

absorbency

What are the steps to the scientific method?

1. Ask a question

2. conduct background research

3. form a hypothesis

4. design/conduct an experiment

5. collect, organize, and analyze data