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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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 project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

Word color association is just a fancy way to talk about the way we connect colors with words.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.