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In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Find out whether matte or shiny nail polish lasts longer.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea assesses the effect of music on work performance.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

This science fair project idea investigates how different disinfectants work in killing germs.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This science fair project will help students learn about non-vascular plants, such as mosses.

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