Construct batteries that make electricity from fruits with this fun science fair project.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Investigate which substances are most effective at removing salt from water.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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 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.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

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

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

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

This project involves the programming and development of a 3D Rubik's Cube application using C++.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.