The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Science fair project that cultivates slime mold and monitors the stages of its development.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

This science fair project idea determines effective strategies to help students stay awake and attentive.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Do a little kitchen chemistry as you make your own bubble solution and bubble-wand shapes!

This simple experiment serves as an introduction to the greenhouse effect.

This project examines the concentration of dissolved oxygen in water, with and without oil.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea measures physical dexterity as a function of temperature.

Learning to identify and categorize different geometric shapes is a big goal for early learners. And your neighborhood is the perfect place to start!

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.

Put numbers and letters together -- key kindergarten math and reading skills -- while creating a marvelous game piece for outdoor play!

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.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

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

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Start the new year with this fourth grade math "Calculation Challenge!"

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.