Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

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

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

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

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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.

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Test your friends to find out if you can replicate the placebo effect's incredible results.