Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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

Test whether plants can grow without sunlight and water.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea compares biodiversity between drops of water.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This biodiversity project examines the biodiversity in your own backyard.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this project children practice the scientific method while playing with puffy paint.