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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.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Is your child a young ornithologist in the making?

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project idea explores substances that cause a bubble to last longer.

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

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this project students experiment with making music using only glasses of water.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Make sourdough bread...and learn some colonial history and modern science in the process!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.