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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea investigates whether plants can survive being frozen.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

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