This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

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

This science fair project idea compares biodiversity between drops of water.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This science research project challenges students to think of more effective lobster farming methods.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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.

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea investigates how color affects temperature.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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