Lab Write-Up Form

I. TITLE: The Effect of (independent variable)______on (dependent variable)______.

II. HYPOTHESIS: If (describe the control and experimental groups of your experiment) ______, then

(predict possible outcome of your experiment)

______.

III. EXPERIMENTATION

Independent Variable: ______(must be quantifiable)

Dependent Variable: ______(must be quantifiable)

Control Group: ______

Experimental Group(s): ______

Constants: ______

______

______

______

Variable: ______

# of trials: ______

MATERIALS:(Be specific! List how much/how many you need of each item, and indicate sizes for lab equipment. For example, don’t say “beaker,” say “Two 50mL beakers”)

______

______

______

______

______

______

______

PROCEDURE: (Must have AT LEAST 5 steps; Write a separate procedure for your control group and experimental group(s))

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

IV. DATA (includes both Data Table & Graph)

DATA TABLE:

TITLE: (restate title of experiment)

(Label independent variable here) / (Label dependent variable here)

GRAPH: (Use Excel to make graphs if possible. If not, use graph paper and use the entire grid for your graph! Use the graph below to write a rough draft of your graph, then transfer it to Excel or graph paper.)

TITLE (combine titles on x and y axes)

V. DATA ANALYSIS

RESULTS SENTENCE: (Describe the relationship between the independent and dependent variables and give a scientific explanation for this relationship.)

As the (independent variable)increases, the (dependent variable) ______.

(Rewrite this sentence below.)

______.

A scientific explanation for this relationship is: (use scientific terms and concepts discussed in class!) ______.

The data (supports, denies, partially supports)______our hypothesis, which was: ______.

VI. CONCLUSION PARAGRAPH

The purpose of this experiment was to investigate (restate title of your experiment)______.

From thedata we collected, our major finding was (restate relationship between independent variable and dependent variable) ______.

We did not expect (state any unexpected results) ______. to occur. A possible explanation for these unexpected results is ______.

Some possible sources of error in our experiment were (describe several ways your data could be inaccurate) ______.

Our hypothesis was (supported, denied, partially supported) by the data

collected.

Suggestions for improving this experiment are:

______.

Suggestions for related experiments are: (explain what information would be gained)

______.