It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

The project investigates how water and movement affects erosion.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

The objective of this science project is to determine the length of time for different seeds to germinate.

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

The objective of this science fair project is to investigate salt water density.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This science fair project idea investigates whether air has mass and weight.

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

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.