The hypothesis holds true- the nuts contained energy. The cashew nut had a higher energy storage capacity than the peanut.
We should consider eating nuts instead of drinking coffee or soft drinks when we feel tired. Like such drinks, nuts are able to give us energy. However, they are a healthier alternative than coffee or soft drinks and in fact, are as tasty as other snacks.
Use different types of nuts such as almonds, hazelnuts, walnuts and pistachios.
Using 200g of water instead. Compare the results of the new experiment with the results of the current one.
Nut (fruit) - http://en.wikipedia.org/wiki/Nut_ (fruit)
Nuts to increase energy - http://www.workingwellness.com/fitness-&-excercise/nuts-to-increase-energy.php
Ensure that you handle the lighter with care. Adult assistance is required. Conduct the experiment in a safe, properly equipped laboratory.