Hypothesis: Certain substances will make ice melt faster than others
Aim: to determine which substance make ice melt fastest
Equipment: ice cubes, kitchen scales, cup, plates, teaspoon, sand, salt, sugar, pepper, stopwatch
Method:
- weigh mass of cup
- Weigh mass of initial ice cube
- Set up equipment
- start stopwatch and add one table spoon of salt to the ice cube
- Stop stopwatch at 10 minutes
- weigh new mass of ice cube
- collect water in plate and pour into cup, weigh the water int he cup and deduct eh mass of cup from this mass
- record results
- repeat steps 2-8 3 times with salt
- repeat whole experiment with other substances (sugar, pepper, sand)
