This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project idea determines which method of hand cleansing is the most effective.

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Science fair project that examines condensation and the conditions needed in order for dew to form.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.