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.

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.

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

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

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.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

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.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!