How Does Water Affect the Time It Takes for Sugar to Dissolve

Topics: Management, Learning, German language, Leadership, Sociology, Education / Pages: 5 (1011 words) / Published: Mar 5th, 2012
Introduction

The below are the possible factors that might affect how quickly a sugar cube dissolves in water temperature of water/liquid water being shaken water being stirred the sugar lump being loose amount of sugar in the cube

In this experiment, I will be investigating if the change in water temperature (independent variable) would affect the time it takes for sugar to dissolve (dependent variable).

Aim

The aim of this experiment is to find out if the water’s temperature would affect the time it takes for sugar to dissolve. To do that, we would investigate the time it takes for the a sugar cube to become flat in the bottom of a beaker.

Hypothesis

I think that the warmer the water is, the faster the sugar cube will dissolve in water. According to the Particle Theory, the warmer the water is, the more space there will be between the water particles because they move quicker.

Apparatus

Glass beaker x1
Plastic beaker x1
Hot water 575ml
Tap water 325ml
Thermometer x1
Timer x1
Ice cubes x2
Sugar cubes x9

Below are the apparatus for the equipment used.

Method

We will:
Try 9 different temperatures
Time how long it takes for sugar to become flat on the bottom of the beaker
Mix tap water, hot water and ice to get different temperatures

Step

Fill 150ml of tap water into a beaker and measure temperature with a thermometer
Drop a sugar cube into water and start timing until the sugar cube is flat on the bottom
Record the time
Repeat steps 1-3 but with a different combination of hot water, tap water and ice until there is one for every 10°C starting from 10°C to 80°C

Fair Testing

To conduct fair testing, the controlled variables should be kept constant throughout the whole experiment
We can control variables by using the same:
1. Thermometer Not all thermometers are the same, and not all of them are accurate so suing the same thermometer all the way would give the most reasonable and

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