This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

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

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Practice conversions within the metric system in this fun math card game for third graders.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

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

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

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.