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This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

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

Free science fair project idea examining how different types of water affect plant germination and growth.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!