Chapter One Projects It all comes down to

Chapter One: Projects It all comes down to the following: Now, I am moving away from matter and into the scientific method which is the first chapter of your book:

Title: Hot clothes! Problem/Question: Why is it recommended to wear white colours during the summertime? Hypothesis: Dark colours absorb light which accumulates heat whereas lighter colours reflect light. So it is for this reason that it is recommended to wear light coloured clothing. Variables: Control: clothing material, size of material, amount of light and environment. Independent variable: Light, clothing colour. Dependent variable: amount of heat accumulated he urs. ow Scientific of all background: mixture of a is light White Physics stipulates that white light would reflect white light. Clothing absorbs light, so white clothing rejects the absorption of white light whereas black clothing would absorb white light. The absorption of light accumulates heat from the sun’s rays in this case.

Material: White and black shirts Bucket 100 W capacity lamp Water container Digital thermometer Tongs Procedure: Using a lamp, expose each shirt in a closed room for a period of thirty minutes. Pour two litres of water into a bucket Remove either of the two shirts Measure initial temperature of water Place shirt into water Measure final temperature Tabulate results Results: White shirt: 2 degrees Celsius Black shirt: 7 degrees Celsius

Discussion/Conclusion: Bibliography: Hence, the hypothesis is correct in stating that white coloured clothes absorb less heat because according to the above results the dark coloured shirt absorbed more heat which was shown in the water temperature whereas the white shirt emitted less heat into the water. Sites on physics and light spectrum.