The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea determines what household items are good conductors of electricity.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Will the shape of an ice cube impact how fast the ice melts?

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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

This project investigates the affect of storage temperature on microwave popcorn.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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.

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

An home science experiment for older students that teaches about the science behind heat.

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

In this science fair project, students make their own rain gauge to measure rainfall.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.