Determine if gender affects the ability to identify different smells.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

The objective of this science fair project is to investigate salt water density.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?