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This science fair project teaches students the differences between fruits and vegetables.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project idea studies past and current fads and trends.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

This science fair project idea demonstrates that plants give off water.

Science fair project that explains and demonstrates the parallax principle.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science fair project idea investigates how images are influenced by changes in light.

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

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

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.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.