Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this project, different brands of microwave popcorn are tested and compared.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this project, waves of vibrations are experimented with using water in glasses.