In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Enlisting the cooperation of your teenager to help prepare your household for an emergency is the perfect way to get set, fast.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Do different types of oil mix or stack? Find out in this science fair project idea!

This experiment investigates whether smell can be used to enhance test subjects' memories.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.