Try to meet the world's projected energy demand by choosing from the available energy sources, while keeping atmospheric CO2 under control. You must avoid the limits and pitfalls associated with each energy source.
Many sources of hazardous waste can be found in your own home and require special disposal. Can you determine which household items are hazardous, which can be recycled, which go out with regular household trash/garbage and which should be washed down the drain?
Slow a sample of fast-moving atoms with a laser to capture them in a trap by setting the temperature of the oven and adjusting the strength of the magnets. Once trapped they can be cooled and used in a variety of experiments.