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

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

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!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

The project investigates how friction affects motion by using different surface textures.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea determines the most effective method of preserving food.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...