Science Fair Project Kayleigh DeSanto

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Presentation transcript:

Science Fair Project Kayleigh DeSanto Hot Water vs. Cold Water Which freezes first?

Pour the Water in the cups or tray

Put the Cups or tray in the freezer

Check temperature regularly

Take out when 1 cup is frozen

Observations Time Boiling Water Refrigerator Cold Staring Temperature, 3:50pm 171.0° F 49.7° F 4:00pm 95.9° F 39.3° F Dropped 75.1° F Dropped 10.4° F 4:10pm 70.4 F 33.9 F Dropped 25.5° F Dropped 5.4° F 4:20pm 62.0° F 36.6° F Dropped 8.4° F Increased 2.7° F 4:30pm 47.8° F 32.3° F (Ice crystals forming) Dropped 14.2° F Dropped 4.3° F 4:40pm 42.7° F 34.3° F (frozen surface) Dropped 5.1° F Increased 2.0° F