Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project teaches students the differences between fruits and vegetables.

Do you think heat can affect a plant's growth rate?

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this project students experiment with making music using only glasses of water.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Discover whether a metal will expand under hot water.

Using a toy race car kids create a visual model of the Doppler Effect.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Do different types of oil mix or stack? Find out in this science fair project idea!