Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This project explores whether music affects the growth and health of plants.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This science fair project idea investigates how different disinfectants work in killing germs.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Determine which material produces the strongest static charge.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Make an edible play dough with your child to help her develop her sensory and motor skills.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

In this science fair project, students create their own miniature salt flats at home.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This experiment will evaluate if chewing gum affects students' test performance.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.