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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

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.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

The goal of this project is to create an exciting topographical map out of dough.

In this project students experiment with making music using only glasses of water.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.