Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Learn all about balance and motion as your child designs a corn maze!

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.

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 snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

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 cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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

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.

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

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Using a toy race car kids create a visual model of the Doppler Effect.

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

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

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

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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!