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

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# Huddleston’s and Murphy’s 2 nd Grade class Birthday Candles (light Investigation) - PowerPoint PPT Presentation

Huddleston’s and Murphy’s 2 nd Grade class Birthday Candles (light Investigation). Question: How far does light travel?. We want to know how far the light from a candle’s flame will travel. Hypothesis. We think the light from the flame stays on the candle. Materials needed. Candle Match

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

### Hypothesis

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

Materials needed

Candle

Match

Fire extinguisher (just in case)

Procedure
• Get candle
• Let teacher light candle
• Observe from desk
• Observe from one meter away
• Observe from across the room
Variables
• Manipulated: We changed the location of viewing the candle.
• Controlled: Everything Else
• Same candle, same room/location
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
Bibliography
• Uncovering Student Ideas in Science 25 Assessment Probes by Keeley, Eberle and Farrin
• Seamless Assessment in Science by Abell and Volkmann