Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment investigates whether there are certain sounds that affect men and women differently

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This project explores differences in people's reactions to images in color and images in black and white.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.