1. Glow Sticks
How do they work?
What affects how bright they glow?

2. Glow Stick Lab Question:
Glow sticks are often used on fishing lures. I wonder if the chemicals inside will react & produce light at temperatures typical of water in the Columbia River, where 2-6°C is common.
Hypothesis:

3. Procedure - Variables Materials: Steps include Manipulated (changed)
Responding (depends on the change)
Two Controlled (kept the same)
Experimental control (baseline to compare to)
Materials:
Steps include
Directions for someone else to follow
measurements to be recorded
Number of trials repeated to improve validity

4. Data & its Analysis:
draw a table with 2 columns and a key to your brightness symbols
Analyze how the results relate to the question being addressed

5. Conclusion - Include 3 parts: ANSWER: Restate & answer the question
SUPPORTING DATA: Write the numbers or observations that support your answer
EXPLANATION: Describe possible reasons for results:
causative effects (answer why)
sources of error (variables that were not controlled)
additional questions that need to be investigated