This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This easy strawberry banana smoothie is a healthy treat for kids. Make an easy strawberry banana smoothie for your child for a heart-healthy Valentine's Day.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

This science project allows students to study the psychology of happiness.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Find out whether putting something on top of a plant will inhibit its growth.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This science fair project idea examines whether boys and girls differ in reflexes.

For some good "green" fun, pull out your blender. A spinach smoothie?! You better believe it! And kids will not only slurp it up, they"ll beg for seconds.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This science fair project idea compares biodiversity between drops of water.

Serve this seasonal carrot salad at Easter brunch this year, and it just might hop onto your family's list of healthy favorites.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Help your fourth grade scientist practice measurement, and make a scrumptious, healthy summer cheesecake in the process!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.