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

Invite your second grader to help you measure and mix these fresh, cool concoctions!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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

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.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.