Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea determines if the color of light affects the growth of plants.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea investigates how color affects temperature.

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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Help your child learn about animal classification with this fun and delicious activity.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates how magnetism can defy the force of gravity.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.