Grades 1 and Up
- Which metals conduct electricity the best?
- Which brand of battery lasts longest?
- What angle will enable a Slinky to go for the best walk?
- How are rocks classified?
- What factors affect the growth of crystals?
- What building shape can best survive an earthquake?
- Which brand of orange juice has the highest vitamin C content?
- Which shampoo works best to remove oil?
- Which gum blows the biggest bubbles?
- Which metal rusts faster?
- Which magnet is the strongest?
- Does temperature affect the rate of popcorn popping?
- Can you melt a bowl of ice faster in a microwave or by pouring hot oil on it?
- Do different soaps produce different sizes of water bubbles?
- Do different soaps produce different sizes of dry ice bubbles?
- Can Aloe Juice Save Your Berries from Mold?
- How Much Water is Absorbed by different types of Dried Beans?
- What is the greasiest brand of potato chip?
- How can you make the bounciest putty?
- Which medium grows bacteria the fastest? (metal, wood, plastic)
- Are boys my age taller than girls my age?
- Are left thumbprints identical to right thumbprints?
Grades 4 and Up
- Can only a potato generate electricity or can other root vegetables like a sweet potato?
- Can only a lemon generate electricity or can other citrus fruits like a grapefruit?
- Does heat have an impact on battery life?
- What is the effect of salt on the freezing point of water and other liquids?
- What happens to the volume of water when it freezes?
- How is light affected by passing through water?
- Can I blow a bubble into a non-spherical shape?
- How can the oxidation of fruits be prevented?
- Does temperature effect odor?
- Which antacid neutralizes the most stomach acid?
- Does the inflation pressure in a soccer ball effect the distance it travels when kicked?
- Is the wattage listed for a lightbulb always accurate?
- Which brand of pencil is the best?
- Will increasing the temperature of a room alter the frequency of a sound wave?
- Will shining a light at a source of sound alter the frequency of a sound wave?
- What does a to-scale model of our solar system look like?
- Is there a statistical advantage to winning in baseball for the team that scores first in the game?
- Is there a statistical advantage to winning in football for the team that scores first in the game?
- Is there a statistical advantage to winning in soccer for the team that scores first in the game?
- How does listening to different kinds of music affect a person's heart rate?
- What are the effects of video games on a person's heart rate?