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Huddleston’s and Murphy’s 2 nd Grade class Birthday Candles (light Investigation) PowerPoint Presentation
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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
Question:How far does light travel?
  • We want to know how far the light from a candle’s flame will travel.
hypothesis

Hypothesis

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

materials needed
Materials needed

Candle

Match

Fire extinguisher (just in case)

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