Examples of Science Fair Projects for Second Graders

  • What objects are attracted by magnets?
  • Which type of magnet is the strongest? Why?
  • Will magnetism pass through paper, water, plastic, and steel?
  • Does rust affect the magnetic attraction of a magnet?
  • What is the shape of the magnetic field?
  • What is the affect of a series of pulleys compared to a single one?
  • How can a wedge be used as a simple machine?
  • How can an axle be used as a simple machine?
  • How does the weight of an object affect its rolling distance?
  • Does the length of an inclined plane effect the amount of force used?
  • Will placement of a fulcrum affect amount of force needed to use a lever?
  • How does sound change with water levels?
  • What is the difference between pitch and volume?
  • Can you show how sound waves travel?
  • Do wood, metal, cardboard, and cloth conduct sound waves?
  • How do counterbalances help something to balance?
  • Is something heavy easier or harder to balance?
  • How does gravity affect balance?
  • Explain how to balance common objects (pencil, fork, spoon, etc)?
  • How did a curve, spiral, loop-the-loop, and hill (up and down) all affect a moving marble's speed?
  • How does a big wheel and small wheel on an axle affect its roll?
  • How does the weight of an object affect its rolling distance?
  • How does gravity affect motion?
  • Will it roll or slide?
  • How do the life cycles of different insects compare/contrast?
  • How do the life cycles of different spiders compare/contrast?
  • How do the life cycles of insects compare/contrast to spiders
  • What effect does the amount of water have on cactus plants?
  • Will plants grow better if watered with milk because milk contains vitamins and calcium?
  • Do plants grow better in sunlight or artificial light (grow light, color filters, black light)?
  • How do the growth rates of plants respond to varying exposure to light?
  • How does acid rain affect plants?
  • How does overcrowding affect life in a terrarium?
  • Does gravity (talk, music, etc.) affect the growth of a plant?
  • In what type of material do plants grow best?
  • What is the effect on plants growing in varying amounts of fertilizer?
  • How does the amount of sand affect the strength of concrete?
  • Does the amount of gravel affect the strength of concrete?
  • Which brick is the strongest: clay, cement, or cement paver?