Place the cubes outside in your backyard on a sunny but not too hot day.
Experiments on solar panels.
Currently reading nasa sending connecticut students solar panel experiments to space.
As the one in the sun turns into a puddle first explain that the heat energy from the sun made it melt faster.
If you re interested in creating your own science fair project see science fair projects for dummies cheat sheet for some tips and information to get you started.
Fill each cup with the same amount of liquid of the same cool temperature.
Experiment with solar power by building your own solar powered robot or oven or by testing ways to speed up an existing solar car.
Cover one of the glasses on white paper with plastic.
A future experiment would use mirrors in front of the solar panel rather than bi convex lenses which would increase the amount of sunlight coming into contact with the photovoltaic cells.
Place one cube directly in the sun and the other in full shade.
Measure the water temperature and set one cup on each paper.
Have your child make a guess on which cube will melt faster.