Science Fair

Science Fair 5th Grade







FREEZING POINT










TABLE OF CONTENTS



Page 3: PROBLEM AND HYPOTHESIS
Page 4: MATERIALS
Page 5: PROCEDURE
Page 6: DATA
Page 7: DATAANALYSIS
Page 8: CONCLUSION
Page 9: ACKNOWLEDGEMENTS


PROBLEM AND HYPOTHESIS



PROBLEM: What freezes faster: salt water or sugar water?

HYPOTHESIS: If we mix the same amount of saltand sugar with water, sugar water will freeze faster.


MATERIALS


▪ 2 cups of 9oz plastic cups
▪ 1 liter tab water
▪ 1 tablespoon of granulated salt
▪ 1 tablespoon ofgranulated sugar
▪ 1 data log
▪ 1 pencil
▪ 2 different coloring solution
▪ 1 clock
▪ 1 ice cube tray with square dividers
▪ 1 measuring spoon
▪ Freezer



PROCEDURE1. Label each cup with A and B.
2. Fill the cups halfway with water into each cup.
3. Place 3 drops of one or the colorants into cup A
4. Place 3 drops of the other colorant intocup B.
5. Mix the solution.
6. Add 1 tablespoon of sugar into cup A, mix well to dissolve ingredients.
7. Add 1 tablespoon of salt into cup B, mix well to dissolve ingredients.
8.Pour contents of cup A into half of the ice cube tray.
9. Pour contents of cup B into the other half of the ice cube tray.
10. Place the ice cube container in the freezer.
11. Use the clockwatch to time the ice cube in the freezer.
12. Leave in freezer for 1 hour.
13. Check and record your observations after 1 hour. Log into table.
14. Check and record your observationsafter 2 hours. Log into table


















Water Observation Data Chart

| |AFTER 1 HOUR |AFTER 2 HOURS|
|LIQUID | | |
|...