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Salt vs. Sun: Ice Melting Competition

Explore the speed of ice melting with salt vs. sunlight in an engaging science experiment. Discover how salt can melt ice faster than the sun in this exciting investigation. Follow the procedure using simple materials to test the hypothesis. Analyze the data, create a chart/graph, and draw conclusions based on the results. Uncover the surprising outcome and learn more about ice melting dynamics. Join us at the STEM Fair to witness this fascinating experiment!

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Salt vs. Sun: Ice Melting Competition

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Presentation Transcript

  1. S.T.E.M. Fair 2013-2014

  2. Question • Can salt melt ice faster than the sun?

  3. Purpose The purpose of my investigation is to determine if salt canmelt ice better thanthe sun itself.

  4. Hypothesis I hypothesize that sunlight melts ice better than salt. I believe this because I used my schema to know that the sun probably will melt it better because the suns rays have warmth.

  5. Procedure

  6. Materials • Two paper plates • Ten ice cubes • Timer/Stopwatch • Marker • Tape/masking tape • Sunlight • Grams of salt

  7. Variables • Manipulated: Sun or salt • Responding: melting time • Constants: paper plates, ice from local store, amount of salt used

  8. Directions • Gather materials • Place one ice cube on the paper plate labeled SUN • Place one cube on the plate labeled SALT • Sprinkle grams of salt on the ice cube on the SALT plate • Start timer • Record melting time for each cube • Repeat steps 1 through 6 for four more trials

  9. Data Chart

  10. Graph

  11. Conclusion • MY HYPOTHSISE WAS INCORRECT. SALT CAN MELT ICE FASTER.

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