Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

In this experiment you will use plastic and magnets to test your local soil composition.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

This experiment will explore whether adding different substances to a gel affects its strength.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This science fair project idea studies the differences in gender perception between people.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?