What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This project compares the strength of one, two, and three-ply toilet paper.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Examine the effect of pressure on carbonation in soda.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.