What Do People Think Is a Healthy Breakfast?

• Look at different cereals, oatmeal, bagels, fruit, bars, breakfast sandwiches and anything else you might eat for breakfast. Compare nutritional facts like calories, fat, protein and fiber. Decide which food or combination of foods is the healthiest and most balanced. Survey at least 50 people, asking each participant what he usually eats for breakfast on the weekdays and weekends, and how healthy he thinks that is. Remember to keep questionnaires confidential.
  
  

Unpopped Popcorn Kernels

• Test whether the temperature of the popcorn affects how many kernels are left unpopped. If you pop your popcorn in a microwave, vary the power setting and leave the popcorn in for the same amount of time. Measure the temperature after you remove the popcorn bag; never put a thermometer in a microwave. You can also test which brand leaves the most unpopped kernels. For that experiment, heat all of the popcorn bags at the same power level.
  
  

Does Sugar Level Affect Energy?

• You will need to find participants and obtain their consent before doing this experiment. Determine the sugar level of different snacks, such as bread, fruit and candy or chocolate. After school, assuming that all of your participants had lunch and haven't eaten since, give participants a snack. One group will get bread, one will get fruit, one will get candy, and one will not get a snack. (The last is the control group.) Have them complete a physical activity, such as running or jumping jacks, and calculate their speed or agility.
  
  

Which Plastic Wrap Prevents Evaporation Best?

• Purchase different brands of plastic wrap, including store brands. Fill equal size containers with equal amounts of water and cover each with a different brand of plastic wrap. Leave them out or refrigerated, and check periodically how much water is left in each container.