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This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This science fair project idea demonstrates sonar mapping of the ocean floor.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

In this experiment you will evaluate whether praise improves athletic performance.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

The objective of this experiment is to conduct a ganzfeld experiment and determine if extrasensory perception (ESP) can be observed.

This experiment evaluates whether motivational music can improve athletic performance.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.