Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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 observe and determine how well your cat uses his whiskers to navigate through a maze.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

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!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this science fair project, students create their own miniature salt flats at home.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this activity your child will create their very own marble maze!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Determine if gender affects the ability to identify different smells.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.