Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This project investigates the affect of storage temperature on microwave popcorn.

Create a self-portrait from natural materials in this collage craft activity!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.