Determine whether the application of Febreeze will lower the bacterial count.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

If your preschooler needs counting practice, try this pared-down game. Kids count clips in each cup and find the playing card to match.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This project compares different liquids and the freezing, melting and boiling points of liquids.

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

This science fair project idea identifies clouds as a means of predicting the weather.

Gather the neighborhood children together and practice graphing with this backyard tournament!

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Celebrate the 100th day of school by creating a geometric, math-inspired mural in the style of Henri Matisse in this creative kindergarten grade art activity.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Take math off the page and into the real world. This simple game gives kindergarten kids hands-on practice with basic addition.