Experimental Design

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Week1ExperimentalDesignCalciumChloride-Online.doc

Experimental Design

Calcium Chloride Lab. Materials: Calcium Chloride, beakers, water, thermometer

Directions: Use the materials to figure out an experiment to test the ability of calcium chloride to change the temperature of water.

Question

What do you already know?

Independent Variable

(what you select)

Dependent Variable (what responds to what you select)

Control Variable(s) (what stays the same throughout the experiment)

Testable Hypothesis

(If IV…then DV will happen)

What will be your procedure?

Remember to include the number of trials you will include.

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

Data Table

(IV on the left, DV on the right)

Graph

(draw a line graph to show your data)

Conclusion