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

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

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.

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.

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

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.

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

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.

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.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.