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How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

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.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This project concerns activity happening millions of miles away, on the sun.

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

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

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

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

In this fun activity, your child will create their very own solar oven to bake s'mores!