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Plain. Sugar. Salt. Sugar Water. Plain Water. Salt Water . Problem: Which water freezes the fastest? Plain, Sugar or Salt Water?. Sugar. Plain. Salt. HYPOTHESIS. If we put salt or sugar in water it will freeze faster than a plain cup of water. HYPOTHESIS. Plain. Salt. The Vote. - PowerPoint PPT PresentationTRANSCRIPT
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PlainSalt
Sugar
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Plain Water Sugar Water Salt Water Problem: Which water freezes the fastest? Plain, Sugar or Salt Water?
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HYPOTHESISIf we put salt or sugar in water it will freeze faster than a plain cup of
water.
Plain Sugar Salt
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HYPOTHESISThe VotePlain Salt Sugar3 for plain water 4 for salt water 11 for sugar water3 4 11
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Plain Sugar SaltVariablesIndependent Variable- The water was changed by adding different substances.Dependent Variable- The element that was changed by sugar or salt.
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Materials2. Food Coloring
3. Sugar4. Salt
1. Water
5.Clear cups6. Measuring Cups
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Procedure1. Collect Materials.2. Pour a water into each cup.3. Pour 1/ 8 cup of sugar in one.4. Pour 1/8 cup of salt in another one.5. Leave one cup of water plain. 6. Sit each cup in the freezer and watch which one freezes faster!
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Results
The sugar water froze faster than the plain and salty water. However, the salty water was the least
frozen one of all.
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Data
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DataPlain Water Half Frozen
Sugar Water Fully Frozen
Salt Water 1/3 Frozen
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Data GraphPlain water froze halfway.
Sugar water froze all the way.
Salt water did not freeze solid. Still partly a liquid.
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Bibliography:www.scientificamerican.com
www.sciencekids.co.nz/experiments.html
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ConclusionWe concluded that different substances can make a difference in how fast water freezes. The sugar water froze the fastest.
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Learning in Science!