2. Huddleston’s and Murphy’s 2 nd Grade class Birthday Candles (light Investigation)

3. Question: How far does light travel? We want to know how far the light from a candle’s flame will travel.

4. Hypothesis We think the light from the flame stays on the candle.

5. Materials needed Candle Match Fire extinguisher (just in case)

6. Procedure Get candle Let teacher light candle Observe from desk Observe from one meter away Observe from across the room

7. Observe from desk.

8. Observe from one meter away.

9. Observe from across the room.

10. Variables Manipulated: We changed the location of viewing the candle. Controlled: Everything Else Same candle, same room/location

11. Conclusion: What did you learn? We learned that the light does not stay on the candle. The light travels all the way to your eye. If something is between the candle and your eye, the light will not travel to your eye. The flame stays on the candle. The heat stays near the candle

12. Bibliography Uncovering Student Ideas in Science 25 Assessment Probes by Keeley, Eberle and Farrin Seamless Assessment in Science by Abell and Volkmann