The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

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.

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Challenge your learner to design and build a city of their own in this creative engineering activity.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea investigates how magnetism can defy the force of gravity.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.