This science fair project idea investigates if fats add to the flavor of food.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This science fair experiment examines the relationship between gender, age, and smiling.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

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.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

This project examines whether and what associations exist between numbers and letters and colors.

Science fair project that uses distillation to convert salt water into fresh water.

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Science fair project that determines whether brain size is correlated with intelligence.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.