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

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

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

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

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

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

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

  6. Observe from desk.

  7. Observe from one meter away.

  8. Observe from across the room.

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

  10. 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

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

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