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

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea examines whether boys and girls differ in reflexes.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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 science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

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.

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

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

The purpose of this science fair project is to build a basic radio.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.