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.

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.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Help your child celebrate the summer and the sun by making a sandy seascape.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

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

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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 year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Make a spring collage with your child to get them outside and those creative juices flowing!

In this fun experiment, we'll find out how color affects heat absorption!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?