This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Check out this cool science fair project on identifying rocks and minerals for kids.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

Do different types of oil mix or stack? Find out in this science fair project idea!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project will help students learn about non-vascular plants, such as mosses.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This project explores ways to prevent static electrical shocks.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea determines if the color of light affects the growth of plants.

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea explores which fruit molds the fastest.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.